CVE-2018-20250

CVE-2018-20250

Vendor Check Point Software Technologies Ltd.
Product WinRAR
Weakness CWE-36
KEV Status Known Exploited
Ransomware Used in campaigns
Published February 5, 2019
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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.

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions.

Key dates

03Disclosure timeline

February 5, 2019 CVE published
October 21, 2025 Record updated