CVE-2020-24331

Name: CVE-2020-24331
Creator: NVD / NIST
Published: 2020-08-13T17:15:13.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2020-24331 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).

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

0.49%

38.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Trousers Project	Trousers	<= 0.3.14
Fedoraproject	Fedora	33

References

http://www.openwall.com/lists/oss-security/2020/08/14/1Exploit, Mailing List, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1164472Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patchMailing List, Patch, Third Party Advisory
https://sourceforge.net/p/trousers/mailman/message/37015817/Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/08/14/1Exploit, Mailing List, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1164472Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patchMailing List, Patch, Third Party Advisory
https://sourceforge.net/p/trousers/mailman/message/37015817/Exploit, Mailing List, Third Party Advisory

Timeline

Published: Aug 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24331?

How severe is CVE-2020-24331?

CVE-2020-24331 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24331?

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-2020-24331?

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

Scan your code now

Source: NVD / NIST