{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-52961", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2025-06-23T13:17:37.424Z", "datePublished": "2025-10-09T15:40:52.572Z", "dateUpdated": "2025-10-09T19:49:35.262Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["cfmman", "cfmd"], "platforms": ["PTX10001-36MR", "PTX10002-36QDD", "PTX10004", "PTX10008", "PTX10016"], "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [{"lessThan": "23.2R2-S4-EVO", "status": "affected", "version": "23.2R1-EVO", "versionType": "semver"}, {"lessThan": "23.4R2-S4-EVO", "status": "affected", "version": "23.4-EVO", "versionType": "semver"}, {"lessThan": "24.2R2-EVO", "status": "affected", "version": "24.2-EVO", "versionType": "semver"}, {"lessThan": "24.4R1-S2-EVO, 24.4R2-EVO", "status": "affected", "version": "24.4-EVO", "versionType": "semver"}, {"lessThan": "23.2R1-EVO", "status": "unaffected", "version": "0", "versionType": "semver"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "This issue occurs only when CFM has been configured on any interface:<br><tt>&nbsp; [ protocols oam ethernet connectivity-fault-management maintenance-domain &lt;md-name&gt; level &lt;number&gt; ]<br></tt>"}], "value": "This issue occurs only when CFM has been configured on any interface:\n\u00a0 [ protocols oam ethernet connectivity-fault-management maintenance-domain <md-name> level <number> ]"}], "datePublic": "2025-10-08T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Uncontrolled Resource Consumption vulnerability in the Connectivity Fault Management (CFM) daemon<span style=\"background-color: rgb(255, 255, 255);\">&nbsp;and the Connectivity Fault Management Manager (cfmman)&nbsp;</span>of Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).<br><br>An attacker on an adjacent device sending specific valid traffic can cause cfmd to spike the CPU to 100% and cfmman's memory to leak, eventually to cause the FPC crash and restart.<br><br>Continued receipt and processes of these specific valid packets will sustain the Denial of Service (DoS) condition.<br><br><span style=\"background-color: rgb(255, 255, 255);\">An indicator of compromise is to watch&nbsp;for an increase in cfmman memory rising over time by issuing the following command and evaluating the&nbsp;<tt><span style=\"background-color: rgb(239, 250, 102);\"><b>RSS</b></span>&nbsp;number.&nbsp;If the RSS is growing into GBs then consider restarting the device to temporarily clear memory.</tt><br> <br></span><tt><span style=\"background-color: rgb(255, 255, 255);\">&nbsp; user@device&gt; show system processes node fpc<i>&lt;num&gt;</i> detail | match cfmman<br></span></tt><br>Example:&nbsp;<br><br><tt>&nbsp; show system processes node fpc0 detail | match cfmman&nbsp;</tt><tt><br>&nbsp; F S UID &nbsp; &nbsp; &nbsp; PID&nbsp; &nbsp; &nbsp; &nbsp;PPID PGID &nbsp; SID&nbsp; &nbsp;C PRI NI&nbsp; ADDR SZ&nbsp; &nbsp; WCHAN &nbsp; <b><span style=\"background-color: rgb(239, 250, 102);\">RSS</span></b>&nbsp; &nbsp; &nbsp;PSR STIME TTY &nbsp; &nbsp; &nbsp; &nbsp; TIME&nbsp; &nbsp; &nbsp;CMD<br>&nbsp; 4 S root&nbsp; &nbsp; &nbsp; 15204 &nbsp; &nbsp; 1&nbsp; &nbsp; 15204&nbsp; 15204 0 80&nbsp; 0&nbsp; &nbsp;- 90802&nbsp; &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; <b><span style=\"background-color: rgb(239, 250, 102);\">113652</span></b>&nbsp; &nbsp;4&nbsp; Sep25 ?&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;00:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml</tt><br><p>This issue affects Junos OS Evolved on&nbsp;PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:</p><ul><li>from 23.2R1-EVO before 23.2R2-S4-EVO, </li><li>from 23.4 before 23.4R2-S4-EVO, </li><li>from 24.2 before 24.2R2-EVO, </li><li>from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.</li></ul>This issue does not affect Junos OS Evolved on&nbsp;PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 before 23.2R1-EVO."}], "value": "An Uncontrolled Resource Consumption vulnerability in the Connectivity Fault Management (CFM) daemon\u00a0and the Connectivity Fault Management Manager (cfmman)\u00a0of Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nAn attacker on an adjacent device sending specific valid traffic can cause cfmd to spike the CPU to 100% and cfmman's memory to leak, eventually to cause the FPC crash and restart.\n\nContinued receipt and processes of these specific valid packets will sustain the Denial of Service (DoS) condition.\n\nAn indicator of compromise is to watch\u00a0for an increase in cfmman memory rising over time by issuing the following command and evaluating the\u00a0RSS\u00a0number.\u00a0If the RSS is growing into GBs then consider restarting the device to temporarily clear memory.\n \n\u00a0 user@device> show system processes node fpc<num> detail | match cfmman\n\nExample:\u00a0\n\n\u00a0 show system processes node fpc0 detail | match cfmman\u00a0\n\u00a0 F S UID \u00a0 \u00a0 \u00a0 PID\u00a0 \u00a0 \u00a0 \u00a0PPID PGID \u00a0 SID\u00a0 \u00a0C PRI NI\u00a0 ADDR SZ\u00a0 \u00a0 WCHAN \u00a0 RSS\u00a0 \u00a0 \u00a0PSR STIME TTY \u00a0 \u00a0 \u00a0 \u00a0 TIME\u00a0 \u00a0 \u00a0CMD\n\u00a0 4 S root\u00a0 \u00a0 \u00a0 15204 \u00a0 \u00a0 1\u00a0 \u00a0 15204\u00a0 15204 0 80\u00a0 0\u00a0 \u00a0- 90802\u00a0 \u00a0 \u00a0-\u00a0 \u00a0 \u00a0 113652\u00a0 \u00a04\u00a0 Sep25 ?\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a000:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml\nThis issue affects Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:\n\n * from 23.2R1-EVO before 23.2R2-S4-EVO, \n * from 23.4 before 23.4R2-S4-EVO, \n * from 24.2 before 24.2R2-EVO, \n * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 before 23.2R1-EVO."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV4_0": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 7.1, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Green", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2025-10-09T15:42:58.625Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/JSA103144"}, {"tags": ["technical-description"], "url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/cfm-configuring.html"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:&nbsp;<br><span style=\"background-color: rgb(255, 255, 255);\">Junos OS Evolved: 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.</span><br>"}], "value": "The following software releases have been updated to resolve this specific issue:\u00a0\nJunos OS Evolved: 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases."}], "source": {"advisory": "JSA103144", "defect": ["1856405"], "discovery": "USER"}, "title": "Junos OS Evolved: PTX Series except PTX10003: An unauthenticated adjacent attacker sending specific valid traffic can cause a memory leak in cfmman leading to FPC crash and restart", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "There are no known workarounds for this issue.<br>To reduce the risk of exploitation, enable input and output access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted users, hosts and networks.<br>"}], "value": "There are no known workarounds for this issue.\nTo reduce the risk of exploitation, enable input and output access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted users, hosts and networks."}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-09T19:43:31.113048Z", "id": "CVE-2025-52961", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-09T19:49:35.262Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-52961", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-09T19:43:31.113048Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-09T19:43:32.155Z"}}], "cna": {"title": "Junos OS Evolved: PTX Series except PTX10003: An unauthenticated adjacent attacker sending specific valid traffic can cause a memory leak in cfmman leading to FPC crash and restart", "source": {"defect": ["1856405"], "advisory": "JSA103144", "discovery": "USER"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "AUTOMATIC", "baseScore": 7.1, "Automatable": "YES", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Green", "providerUrgency": "GREEN", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Juniper Networks", "modules": ["cfmman", "cfmd"], "product": "Junos OS Evolved", "versions": [{"status": "affected", "version": "23.2R1-EVO", "lessThan": "23.2R2-S4-EVO", "versionType": "semver"}, {"status": "affected", "version": "23.4-EVO", "lessThan": "23.4R2-S4-EVO", "versionType": "semver"}, {"status": "affected", "version": "24.2-EVO", "lessThan": "24.2R2-EVO", "versionType": "semver"}, {"status": "affected", "version": "24.4-EVO", "lessThan": "24.4R1-S2-EVO, 24.4R2-EVO", "versionType": "semver"}, {"status": "unaffected", "version": "0", "lessThan": "23.2R1-EVO", "versionType": "semver"}], "platforms": ["PTX10001-36MR", "PTX10002-36QDD", "PTX10004", "PTX10008", "PTX10016"], "defaultStatus": "unaffected"}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.", "supportingMedia": [{"type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.", "base64": false}]}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue:\u00a0\nJunos OS Evolved: 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.", "supportingMedia": [{"type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:&nbsp;<br><span style=\"background-color: rgb(255, 255, 255);\">Junos OS Evolved: 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.</span><br>", "base64": false}]}], "datePublic": "2025-10-08T16:00:00.000Z", "references": [{"url": "https://supportportal.juniper.net/JSA103144", "tags": ["vendor-advisory"]}, {"url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/cfm-configuring.html", "tags": ["technical-description"]}], "workarounds": [{"lang": "en", "value": "There are no known workarounds for this issue.\nTo reduce the risk of exploitation, enable input and output access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted users, hosts and networks.", "supportingMedia": [{"type": "text/html", "value": "There are no known workarounds for this issue.<br>To reduce the risk of exploitation, enable input and output access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted users, hosts and networks.<br>", "base64": false}]}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "An Uncontrolled Resource Consumption vulnerability in the Connectivity Fault Management (CFM) daemon\u00a0and the Connectivity Fault Management Manager (cfmman)\u00a0of Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nAn attacker on an adjacent device sending specific valid traffic can cause cfmd to spike the CPU to 100% and cfmman's memory to leak, eventually to cause the FPC crash and restart.\n\nContinued receipt and processes of these specific valid packets will sustain the Denial of Service (DoS) condition.\n\nAn indicator of compromise is to watch\u00a0for an increase in cfmman memory rising over time by issuing the following command and evaluating the\u00a0RSS\u00a0number.\u00a0If the RSS is growing into GBs then consider restarting the device to temporarily clear memory.\n \n\u00a0 user@device> show system processes node fpc<num> detail | match cfmman\n\nExample:\u00a0\n\n\u00a0 show system processes node fpc0 detail | match cfmman\u00a0\n\u00a0 F S UID \u00a0 \u00a0 \u00a0 PID\u00a0 \u00a0 \u00a0 \u00a0PPID PGID \u00a0 SID\u00a0 \u00a0C PRI NI\u00a0 ADDR SZ\u00a0 \u00a0 WCHAN \u00a0 RSS\u00a0 \u00a0 \u00a0PSR STIME TTY \u00a0 \u00a0 \u00a0 \u00a0 TIME\u00a0 \u00a0 \u00a0CMD\n\u00a0 4 S root\u00a0 \u00a0 \u00a0 15204 \u00a0 \u00a0 1\u00a0 \u00a0 15204\u00a0 15204 0 80\u00a0 0\u00a0 \u00a0- 90802\u00a0 \u00a0 \u00a0-\u00a0 \u00a0 \u00a0 113652\u00a0 \u00a04\u00a0 Sep25 ?\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a000:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml\nThis issue affects Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:\n\n * from 23.2R1-EVO before 23.2R2-S4-EVO, \n * from 23.4 before 23.4R2-S4-EVO, \n * from 24.2 before 24.2R2-EVO, \n * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 before 23.2R1-EVO.", "supportingMedia": [{"type": "text/html", "value": "An Uncontrolled Resource Consumption vulnerability in the Connectivity Fault Management (CFM) daemon<span style=\"background-color: rgb(255, 255, 255);\">&nbsp;and the Connectivity Fault Management Manager (cfmman)&nbsp;</span>of Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).<br><br>An attacker on an adjacent device sending specific valid traffic can cause cfmd to spike the CPU to 100% and cfmman's memory to leak, eventually to cause the FPC crash and restart.<br><br>Continued receipt and processes of these specific valid packets will sustain the Denial of Service (DoS) condition.<br><br><span style=\"background-color: rgb(255, 255, 255);\">An indicator of compromise is to watch&nbsp;for an increase in cfmman memory rising over time by issuing the following command and evaluating the&nbsp;<tt><span style=\"background-color: rgb(239, 250, 102);\"><b>RSS</b></span>&nbsp;number.&nbsp;If the RSS is growing into GBs then consider restarting the device to temporarily clear memory.</tt><br> <br></span><tt><span style=\"background-color: rgb(255, 255, 255);\">&nbsp; user@device&gt; show system processes node fpc<i>&lt;num&gt;</i> detail | match cfmman<br></span></tt><br>Example:&nbsp;<br><br><tt>&nbsp; show system processes node fpc0 detail | match cfmman&nbsp;</tt><tt><br>&nbsp; F S UID &nbsp; &nbsp; &nbsp; PID&nbsp; &nbsp; &nbsp; &nbsp;PPID PGID &nbsp; SID&nbsp; &nbsp;C PRI NI&nbsp; ADDR SZ&nbsp; &nbsp; WCHAN &nbsp; <b><span style=\"background-color: rgb(239, 250, 102);\">RSS</span></b>&nbsp; &nbsp; &nbsp;PSR STIME TTY &nbsp; &nbsp; &nbsp; &nbsp; TIME&nbsp; &nbsp; &nbsp;CMD<br>&nbsp; 4 S root&nbsp; &nbsp; &nbsp; 15204 &nbsp; &nbsp; 1&nbsp; &nbsp; 15204&nbsp; 15204 0 80&nbsp; 0&nbsp; &nbsp;- 90802&nbsp; &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; <b><span style=\"background-color: rgb(239, 250, 102);\">113652</span></b>&nbsp; &nbsp;4&nbsp; Sep25 ?&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;00:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml</tt><br><p>This issue affects Junos OS Evolved on&nbsp;PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:</p><ul><li>from 23.2R1-EVO before 23.2R2-S4-EVO, </li><li>from 23.4 before 23.4R2-S4-EVO, </li><li>from 24.2 before 24.2R2-EVO, </li><li>from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.</li></ul>This issue does not affect Junos OS Evolved on&nbsp;PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 before 23.2R1-EVO.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "configurations": [{"lang": "en", "value": "This issue occurs only when CFM has been configured on any interface:\n\u00a0 [ protocols oam ethernet connectivity-fault-management maintenance-domain <md-name> level <number> ]", "supportingMedia": [{"type": "text/html", "value": "This issue occurs only when CFM has been configured on any interface:<br><tt>&nbsp; [ protocols oam ethernet connectivity-fault-management maintenance-domain &lt;md-name&gt; level &lt;number&gt; ]<br></tt>", "base64": false}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2025-10-09T15:42:58.625Z"}}}, "cveMetadata": {"cveId": "CVE-2025-52961", "state": "PUBLISHED", "dateUpdated": "2025-10-09T19:49:35.262Z", "dateReserved": "2025-06-23T13:17:37.424Z", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "datePublished": "2025-10-09T15:40:52.572Z", "assignerShortName": "juniper"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An Uncontrolled Resource Consumption vulnerability in the Connectivity Fault Management (CFM) daemon\u00a0and the Connectivity Fault Management Manager (cfmman)\u00a0of Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nAn attacker on an adjacent device sending specific valid traffic can cause cfmd to spike the CPU to 100% and cfmman's memory to leak, eventually to cause the FPC crash and restart.\n\nContinued receipt and processes of these specific valid packets will sustain the Denial of Service (DoS) condition.\n\nAn indicator of compromise is to watch\u00a0for an increase in cfmman memory rising over time by issuing the following command and evaluating the\u00a0RSS\u00a0number.\u00a0If the RSS is growing into GBs then consider restarting the device to temporarily clear memory.\n \n\u00a0 user@device> show system processes node fpc<num> detail | match cfmman\n\nExample:\u00a0\n\n\u00a0 show system processes node fpc0 detail | match cfmman\u00a0\n\u00a0 F S UID \u00a0 \u00a0 \u00a0 PID\u00a0 \u00a0 \u00a0 \u00a0PPID PGID \u00a0 SID\u00a0 \u00a0C PRI NI\u00a0 ADDR SZ\u00a0 \u00a0 WCHAN \u00a0 RSS\u00a0 \u00a0 \u00a0PSR STIME TTY \u00a0 \u00a0 \u00a0 \u00a0 TIME\u00a0 \u00a0 \u00a0CMD\n\u00a0 4 S root\u00a0 \u00a0 \u00a0 15204 \u00a0 \u00a0 1\u00a0 \u00a0 15204\u00a0 15204 0 80\u00a0 0\u00a0 \u00a0- 90802\u00a0 \u00a0 \u00a0-\u00a0 \u00a0 \u00a0 113652\u00a0 \u00a04\u00a0 Sep25 ?\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a000:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml\nThis issue affects Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:\n\n * from 23.2R1-EVO before 23.2R2-S4-EVO, \n * from 23.4 before 23.4R2-S4-EVO, \n * from 24.2 before 24.2R2-EVO, \n * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 before 23.2R1-EVO."}], "id": "CVE-2025-52961", "lastModified": "2025-10-09T16:15:45.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:Green", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2025-10-09T16:15:45.247", "references": [{"source": "sirt@juniper.net", "url": "https://supportportal.juniper.net/JSA103144"}, {"source": "sirt@juniper.net", "url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/cfm-configuring.html"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "sirt@juniper.net", "type": "Primary"}]}

{}

{}