CVE-2020-24331: fedoraproject fedora Improper Privilege Management
Vulnerability summary
CVE-2020-24331 is a high (CVSS 7.8) Improper Privilege Management vulnerability in fedoraproject fedora. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.9% of scored vulnerabilities. 3 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 13-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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).
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.49% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
3 foundExploit Reference (sourceforge.net)
Maturity: unknown
Exploit Reference (bugzilla.suse.com)
Maturity: unknown
Exploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- trousers< 0.3.15-0.1
Fedoraproject1 product
- fedoraEOL33
Trousers_project1 product
- trousers≤ 0.3.14
Ubuntu1 product
- trousersAll versions (No fix recorded)
4 vendors · 4 products
References
9 links- sourceforge.net/p/trousers/mailman/message/37015817/X Refsource MISCREPORTExploitMailing ListThird Party Advisory
- seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patchX Refsource MISCREPORTMailing ListPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2020/08/14/1Mailing ListX Refsource MLISTREPORTExploitThird Party Advisory