A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 5.1.1 and 5.4.1 is able to mitigate this issue. Upgrading the affected component is recommended.

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity High

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00033.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Vaelsys
  • Vaelsys

Configuration 1 [-]

cpe:2.3:a:vaelsys:vaelsys:4.1.0:*:*:*:*:*:*:*

No data.

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Vendors Products
Vaelsys
  • Vaelsys
References
Link Providers
https://github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_Access_Leads_to_Sensitive_Information_Leakage_in_Vaelsys_V4_Platform.md cve-icon cve-icon
https://vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0002.html cve-icon cve-icon
https://vuldb.com/submit/616922 cve-icon cve-icon
https://vuldb.com/vuln/317848 cve-icon cve-icon
https://vuldb.com/vuln/317848/cti cve-icon cve-icon
History

Wed, 15 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
References

Wed, 15 Apr 2026 07:45:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in Vaelsys 4.1.0 and classified as problematic. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component MD4 Hash Handler. The manipulation of the argument xajaxargs leads to use of weak hash. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 5.1.1 and 5.4.1 is able to mitigate this issue. Upgrading the affected component is recommended.
Title Vaelsys MD4 Hash vgrid_server.php weak hash Vaelsys VaelsysV4 Web interface vgrid_server.php weak hash
References
Metrics cvssV2_0

{'score': 2.1, 'vector': 'AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.1, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

 cvssV2_0

{'score': 2.1, 'vector': 'AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 3.1, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C'}

Thu, 31 Jul 2025 17:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:vaelsys:vaelsys:4.1.0:*:*:*:*:*:*:*

Tue, 29 Jul 2025 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Vaelsys
Vaelsys vaelsys
Vendors & Products Vaelsys
Vaelsys vaelsys

Mon, 28 Jul 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 28 Jul 2025 06:15:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in Vaelsys 4.1.0 and classified as problematic. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component MD4 Hash Handler. The manipulation of the argument xajaxargs leads to use of weak hash. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title Vaelsys MD4 Hash vgrid_server.php weak hash
Weaknesses CWE-327
CWE-328
References
Metrics cvssV2_0

{'score': 2.1, 'vector': 'AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.1, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-04-15T07:02:44.090Z

Reserved: 2025-07-26T16:14:24.601Z

Link: CVE-2025-8260

cve-icon Vulnrichment

Updated: 2025-07-28T15:57:59.502Z

cve-icon NVD

Status : Modified

Published: 2025-07-28T06:15:25.620

Modified: 2026-04-15T08:16:16.073

Link: CVE-2025-8260

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-28T15:24:22Z