AEGLIX vulnerability intelligence
CVE-2018-20250
HIGH · CVSS 7.8 · Analyzed
Published: 2019-02-05 · Updated: 2026-08-13 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-22, CWE-36
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- RARLAB · WinRAR
- Added to catalog
- 2022-02-15
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-08-15
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*
Through (inclusive): 5.61
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html
Exploit · Third Party Advisory · VDB Entry
- http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace
Third Party Advisory
- http://www.securityfocus.com/bid/106948
Broken Link · Third Party Advisory · VDB Entry
- https://github.com/blau72/CVE-2018-20250-WinRAR-ACE
Exploit · Third Party Advisory
- https://research.checkpoint.com/extracting-code-execution-from-winrar/
Exploit · Press/Media Coverage · Third Party Advisory
- https://www.exploit-db.com/exploits/46552/
Exploit · Third Party Advisory · VDB Entry
- https://www.exploit-db.com/exploits/46756/
Exploit · Third Party Advisory · VDB Entry
- https://www.win-rar.com/whatsnew.html
Release Notes
- http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html
Exploit · Third Party Advisory · VDB Entry
- http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace
Third Party Advisory
- http://www.securityfocus.com/bid/106948
Broken Link · Third Party Advisory · VDB Entry
- https://github.com/blau72/CVE-2018-20250-WinRAR-ACE
Exploit · Third Party Advisory
- https://research.checkpoint.com/extracting-code-execution-from-winrar/
Exploit · Press/Media Coverage · Third Party Advisory
- https://www.exploit-db.com/exploits/46552/
Exploit · Third Party Advisory · VDB Entry
- https://www.exploit-db.com/exploits/46756/
Exploit · Third Party Advisory · VDB Entry
- https://www.win-rar.com/whatsnew.html
Release Notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20250
US Government Resource