CVE-2025-8259: OS Command Injection in Vaelsys VaelsysV4
A vulnerability was identified in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. Affected by this issue is the function execute_DataObjectProc of the file /grid/vgrid_server.php of the component Web interface. Such manipulation of the argument xajaxargs leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 5.1.1 and 5.4.1 can resolve this issue. It is suggested to upgrade the affected component.
AI Analysis
Technical Summary
This vulnerability affects the VaelsysV4 product's web interface component, specifically the execute_DataObjectProc function in /grid/vgrid_server.php. Improper handling of the xajaxargs parameter allows remote attackers to perform OS command injection. The vulnerability is exploitable remotely without authentication and has a CVSS 4.0 base score of 6.9, indicating medium severity. Public exploit code exists, increasing the risk of exploitation. The vendor has released fixed versions 5.1.1 and 5.4.1 that address this flaw.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected server, potentially leading to unauthorized system control or data compromise. The vulnerability requires no privileges or user interaction and has low complexity, making it accessible to attackers. However, the CVSS vector indicates low to limited impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade affected VaelsysV4 installations to version 5.1.1 or 5.4.1 as these versions contain the official fix for this vulnerability. No other mitigations are specified or required once patched. Until upgrade, restrict access to the vulnerable web interface to trusted networks if possible to reduce exposure.
CVE-2025-8259: OS Command Injection in Vaelsys VaelsysV4
Description
A vulnerability was identified in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. Affected by this issue is the function execute_DataObjectProc of the file /grid/vgrid_server.php of the component Web interface. Such manipulation of the argument xajaxargs leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 5.1.1 and 5.4.1 can resolve this issue. It is suggested to upgrade the affected component.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the VaelsysV4 product's web interface component, specifically the execute_DataObjectProc function in /grid/vgrid_server.php. Improper handling of the xajaxargs parameter allows remote attackers to perform OS command injection. The vulnerability is exploitable remotely without authentication and has a CVSS 4.0 base score of 6.9, indicating medium severity. Public exploit code exists, increasing the risk of exploitation. The vendor has released fixed versions 5.1.1 and 5.4.1 that address this flaw.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected server, potentially leading to unauthorized system control or data compromise. The vulnerability requires no privileges or user interaction and has low complexity, making it accessible to attackers. However, the CVSS vector indicates low to limited impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade affected VaelsysV4 installations to version 5.1.1 or 5.4.1 as these versions contain the official fix for this vulnerability. No other mitigations are specified or required once patched. Until upgrade, restrict access to the vulnerable web interface to trusted networks if possible to reduce exposure.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- VulDB
- Date Reserved
- 2025-07-26T16:14:16.170Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 68870ef8ad5a09ad008008de
Added to database: 7/28/2025, 5:47:36 AM
Last enriched: 4/15/2026, 11:19:13 AM
Last updated: 5/9/2026, 12:55:02 AM
Views: 144
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