CVE-2025-52856
CRITICAL EPSS 45.0%
Published Aug 29, 202510mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Published Aug 29, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago
Description
An improper authentication vulnerability has been reported to affect VioStor. If a remote attacker, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
45.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-287 Improper Authentication Authentication
Affected Products 2
References 1
- qnap.com https://www.qnap.com/en/security-advisory/qsa-25-29
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.