Path Traversal in Check Point Software Technologies Ltd. Winrar
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 (extr…
EPSS: 0.963 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Check Point Software Technologies Ltd. Winrar — versions All versions prior and including 5.61
- Rarlab Winrar
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- cve@checkpoint.com (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@checkpoint.com (Exploit, Third Party Advisory, x_refsource_MISC, Press/Media Coverage)
- cve@checkpoint.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@checkpoint.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- cve@checkpoint.com (x_refsource_MISC, Release Notes)
- cve@checkpoint.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@checkpoint.com (Third Party Advisory, x_refsource_MISC)
- cve@checkpoint.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2018-20250?
- CVE-2018-20250 is a high-severity vulnerability in Check Point Software Technologies Ltd. Winrar, classified under Absolute Path Traversal. CVSS score: 7.8/10. Published 2019-02-05.
- How severe is CVE-2018-20250?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-20250 known to be exploited?
- Yes. CVE-2018-20250 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-15), indicating it is being actively exploited. 152 public proof-of-concept repositories are indexed.