CVE-2021-44038

Name: CVE-2021-44038
Creator: NVD / NIST
Published: 2021-11-19T19:15:09.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2021-44038 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Quagga	Quagga	<= 1.2.4

References

https://bugzilla.suse.com/show_bug.cgi?id=1191890Exploit, Issue Tracking, Third Party Advisory
https://github.com/Quagga/quagga/releasesRelease Notes, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1191890Exploit, Issue Tracking, Third Party Advisory
https://github.com/Quagga/quagga/releasesRelease Notes, Third Party Advisory

Timeline

Published: Nov 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44038?

How severe is CVE-2021-44038?

CVE-2021-44038 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44038?

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-2021-44038?

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

Scan your code now

Source: NVD / NIST