CVE-2020-36394

Name: CVE-2020-36394
Creator: NVD / NIST
Published: 2021-06-22T21:15:08.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2020-36394 is a high-severity vulnerability rated 7/10 on the CVSS scale. pam_setquota.c in the pam_setquota module before 2020-05-29 for Linux-PAM allows local attackers to set their quota on an arbitrary filesystem, in certain situations where the attacker's home directory is a FUSE filesystem mounted under /home.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

pam_setquota.c in the pam_setquota module before 2020-05-29 for Linux-PAM allows local attackers to set their quota on an arbitrary filesystem, in certain situations where the attacker's home directory is a FUSE filesystem mounted under /home.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.35%

26.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Pam Setquota Project	Pam Setquota	< 2020-05-29

References

https://seclists.org/oss-sec/2020/q2/169Exploit, Mailing List, Third Party Advisory
https://seclists.org/oss-sec/2020/q2/169Exploit, Mailing List, Third Party Advisory

Timeline

Published: Jun 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36394?

How severe is CVE-2020-36394?

CVE-2020-36394 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36394?

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-2020-36394?

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

Scan your code now

Source: NVD / NIST