CVE-2020-24332: fedoraproject fedora Link Following
Vulnerability summary
CVE-2020-24332 is a medium (CVSS 5.5) Link Following vulnerability in fedoraproject fedora. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities. 3 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 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 creation of the system.data file is prone to symlink attacks. The tss user can be used to create or corrupt existing files, which could possibly lead to a DoS attack.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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
Trustedcomputinggroup1 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 ListMitigationThird 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
