Home/CVE/Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points t
CVE

CVE-2025-31334

Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points t

Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points to an executable file exists in WinRAR versions prior to 7.11. If a symbolic link specially crafted by an attacker is opened on the affected product, arbitrary code may be executed.

MEDIUM · CVSS 6.8 EPSS 0.00089
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules4 YARA rules0
⬡

Weakness Classification

CWE-356Product UI does not Warn User of Unsafe Actions
▤

Affected Products & Versions

1
rarlab winrar< 7.11
◈

Sigma Hunt Rules

4
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighWinRAR Creating Files in Startup Locations
productmediumWinRAR Execution in Non-Standard Folder
productmediumPotentially Suspicious Child Process Of WinRAR.EXE
productmediumWinrar Compressing Dump Files
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v3.0 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Apr 2025 · 06:15 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jvn.jp/en/jp/JVN59547048/Third Party Advisory
https://www.win-rar.com/start.html?&L=0Release Notes
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