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{}

{"affected": [{"configurations": [{"platform": ["mx_series"], "status": "affected", "versions": {"scheme": "generic", "value": "[24.4,24.4R2-S3)"}}, {"platform": ["mx_series"], "status": "affected", "versions": {"scheme": "generic", "value": "[25.2,25.2R2)"}}, {"platform": ["mx_series"], "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,24.4R1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Junos OS", "source": "cna", "vendor": "Juniper Networks"}, "product": "junos_os", "vendor": "juniper_networks"}], "analysis": {"en": {"generated_at": "2026-04-09T23:24:33.794035+00:00", "value": {"mitigation_remediation": ["Apply the latest vendor patch for Junos OS: 24.4R2-S3, 25.2R2, 25.4R1, or any newer releases.", "If patching is not immediately possible, restrict CLI access to trusted hosts and administrators using access lists or firewall filters.", "Configure CLI authorization to disallow execution of 'request csds' commands for low\u2011privileged users."], "summary": {"action": "Apply Patch", "impact": "Privilege Escalation Leading to Full Device Compromise"}, "threat_synthesis": {"affected_systems": "The issue impacts Juniper Networks Junos OS on MX Series routers. Versions affected are 24.4 releases before 24.4R2-S3 and 25.2 releases before 25.2R2. Releases before 24.4 are not affected.", "description_and_impact": "The vulnerability is a missing authorization flaw in the Juniper Junos OS CLI on MX Series routers. It allows a local, authenticated user with low privileges to issue the 'request csds' commands. These commands are intended only for high privileged users or those designated for Juniper Device Manager (JDM) or Connected Security Distributed Services (CSDS) operations. Abuse of this flaw can result in a complete compromise of the managed device, affecting confidentiality, integrity and availability of the device and potentially all clients connected to it. The weakness is identified as a Missing Permissions vulnerability, CWE-862.", "risk_and_exploitability": "The CVSS base score is 6.3, indicating medium severity. EPSS data is not available and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is local authenticated access; any user logged into the device with low privileges can invoke the vulnerable commands, making exploitation trivial for an insider or an attacker who has obtained legitimate credentials. The risk is significant as the attacker can gain full control of the device."}}}}, "created": "2026-04-10T08:36:52.508989+00:00", "updated": "2026-04-10T09:27:49.699055+00:00", "vendors": ["juniper_networks", "juniper_networks$PRODUCT$junos_os"]}