RARLAB UnRAR Directory Traversal Vulnerability
RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated by creating a ~/.ssh/authorized_keys file. NOTE: WinRAR and Android RAR are unaffected.
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)09 Aug 2022
- Exploited in EUVD (ENISA)09 Aug 2022
- Used by ransomwareyes
- EPSS above 10 %99.2%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 99.2%
References
Other exploited vulnerabilities from the same vendor
- CVE-2025-6218RARLAB WinRAR Path Traversal Vulnerability7.6 · Background exploitation
- CVE-2025-8088RARLAB WinRAR Path Traversal Vulnerability8.6 · Background exploitation
- CVE-2023-38831RARLAB WinRAR Code Execution Vulnerability8.5 · Background exploitation
- CVE-2018-20250WinRAR Absolute Path Traversal Vulnerability8.4 · Background exploitation