CVE-2018-20250
HIGHIn WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is…
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Description
In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.
Affected Products
winrarrarlabResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
RARLAB WinRAR 5.61 - ACE Format Input Validation Remote Code Execution (Metasploit)
by Metasploit · Apr 25, 2019
WinRAR 5.61 - Path Traversal
by WyAtu · Feb 22, 2019
Frequently Asked Questions
Is CVE-2018-20250 in your stack?
O3 detects CVE-2018-20250 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.