HIGH CISA KEV

CVE-2018-20250

CVSS v3

7.8

HIGH

EPSS Score

93.5%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
2/15/2022
Patch Due Date
8/15/2022
Ransomware Use
Known

Technical details

Published
2/5/2019

Frequently asked questions

What is 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.

Is CVE-2018-20250 actively exploited?

Yes. CVE-2018-20250 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 8/15/2022.

What is the CVSS score for CVE-2018-20250?

CVE-2018-20250 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2018-20250 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.