What’s Vulnerable › Vulnerabilities

CVE-2020-24331

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-13 · updated 2026-06-17
• Weakness: CWE-269

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).

Affected products

• Fedoraproject Fedora: 33
• Trousers Project Trousers: through 0.3.14

References

• http://www.openwall.com/lists/oss-security/2020/08/14/1
• https://bugzilla.suse.com/show_bug.cgi?id=1164472
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
• https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
• https://sourceforge.net/p/trousers/mailman/message/37015817/
• http://www.openwall.com/lists/oss-security/2020/08/14/1
• https://bugzilla.suse.com/show_bug.cgi?id=1164472
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
• https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
• https://sourceforge.net/p/trousers/mailman/message/37015817/

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