CVE-2025-8261

MEDIUM EPSS 45.5%
Published Jul 28, 202511mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Jul 28, 2025 11mo ago
Last Modified Jun 17, 2026 2w ago

Description

A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The real existence of this vulnerability is still doubted at the moment. The vendor explains: "Based on Vaelsys' analysis, the reported behavior does not allow actions beyond those already permitted to authenticated administrative users, and no change in system configuration or operational practices is necessary."

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
45.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-266
CWE-285

Affected Products 1

VendorProductVersionRange
vaelsysvaelsys4.1.0any

References 5

  • github.com https://github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_User_Creation_Vulnerability_Exists_in_Vaelsys_V4_Platform.md
    ExploitThird Party Advisory
  • vaelsys.github.io https://vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0003.html
  • vuldb.com https://vuldb.com/submit/616924
  • vuldb.com https://vuldb.com/vuln/317849
  • vuldb.com https://vuldb.com/vuln/317849/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.