Vaelsys VaelsysV4 Web interface vgrid_server.php weak hash
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- waiwai24 (VulDB User)
- security_vaelsys (VulDB User)
References
- https://vuldb.com/vuln/317848
- https://vuldb.com/vuln/317848/cti
- https://vuldb.com/submit/616922
- https://github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_Access_Leads_to_Sensitive_Information_Leakage_in_Vaelsys_V4_Platform.md
- https://vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0002.html
Affected Vendor
Vaelsys
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