CVE-2017-12938

Name: CVE-2017-12938
Creator: NVD / NIST
Published: 2017-08-18T13:29:00.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.57%

Last modified Jun 17, 2026

CVE-2017-12938 is a vulnerability of currently unknown severity. UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. EPSS estimates a 3.57% chance of exploitation in the next 30 days.

Description

UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. directory, and a regular file.

Metrics

EPSS Probability

3.57%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Rarlab	Unrar	<= 5.5.6

References

http://seclists.org/oss-sec/2017/q3/290Exploit, Mailing List, Third Party Advisory
http://seclists.org/oss-sec/2017/q3/290Exploit, Mailing List, Third Party Advisory

Timeline

Published: Aug 18, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12938?

UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. directory, and a regular file.

How severe is CVE-2017-12938?

Severity scoring for CVE-2017-12938 is pending analysis. The EPSS model estimates a 3.57% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12938?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12938?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST