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TI-2018-14356 Aliases CVE-2018-20250GHSA-7v9q-j964-43qc

Path traversal in Check Point Software Technologies Ltd. WinRAR

Priority CRITICAL 93Exploited in the wildCWE-36Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2022-02-15CISA due date 2022-08-15Known ransomware use
EPSS 0.96004 99th percentileScored 2026-11-07
Public exploit Yes 5 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Check Point Software Technologies Ltd.WinRARAll versions prior and including 5.61—No fix listedCNA
  • WinRAR VendorCheck Point Software Technologies Ltd. Affected All versions prior and including 5.61 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*up to 5.61VulnerableRARLAB
  • cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:* Versions up to 5.61 Vulnerable ·RARLAB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2022-02-15 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2018-20250
  3. 2026-10-03 Alias added: GHSA-7v9q-j964-43qc

References

Exploit 5

Other 1

  • TI-2025-07400 Path traversal vulnerability in WinRAR KEVCVSS 4.0HIGH 8.4
  • TI-2025-05626 Path traversal in RARLAB WinRAR KEVCVSS 3.0HIGH 7.8
  • TI-2023-20115 RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts… KEVCVSS 3.1HIGH 7.8
  • TI-2024-23905 RARLAB WinRAR before 7.00, on Windows, allows attackers to spoof the screen output via… CVSS 3.1HIGH 7.5
  • TI-2024-22371 RARLAB WinRAR before 7.00, on Linux and UNIX platforms, allows attackers to spoof the… CVSS 3.1HIGH 7.1
  • TI-2019-15730 WinRAR 5.61 Denial of Service via Malformed Language File CVSS 4.0MEDIUM 6.9
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences