Vulnerability Intelligence Report
WinRAR Absolute Path Traversal Vulnerability
CVE-2018-20250
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 KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:96.27%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Weaknesses (CWE)
CWE-36 ↗CWE-36: Absolute Path Traversal
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Check Point Software Technologies Ltd. | WinRAR | All versions prior and including 5.61 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Check Point Software Ltd. · Vendor · Israel |
| Reserved | 2018-12-19T00:00:00 |
| Published | 2019-02-05T20:00:00 |
| Patch Date | 2019-02-05 |
| Last Updated | 2026-08-13T03:55:27 |
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