CVE-2018-20250
HighActively exploited (CISA KEV)Known to be used in ransomware campaigns
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
RARLAB WinRAR
PublishedFeb 5, 2019
First seenFeb 5, 2019
Added to KEVFeb 15, 2022
Weakness typeCWE-36CWE-36
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Aug 15, 2022Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rarlab winrar | v ≤ 5.61 | — |
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