CVE-2018-21269

Name: CVE-2018-21269
Creator: NVD / NIST
Published: 2020-10-27T04:15:10.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2018-21269 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.38%

30.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Openrc Project	Openrc	<= 0.42.1

References

https://github.com/OpenRC/openrc/issues/201Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/OpenRC/openrc/issues/201Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Oct 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-21269?

checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.

How severe is CVE-2018-21269?

CVE-2018-21269 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2018-21269?

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-2018-21269?

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

Scan your code now

Source: NVD / NIST