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published 2021-03-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8712

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

Agents are able to see linked FAQ articles without permissions (defined in FAQ Category). This issue affects: FAQ version 6.0.29 and prior versions, OTRS version 7.0.24 and prior versions.

Patch / fix

fixed in 2

otrs faq 6.0.29
otrs otrs 7.0.24

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

OTRS AG FAQ
OTRS AG OTRS

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls
CWE-276 Incorrect Default Permissions

References

otrs.com /release-notes/otrs-security-advisory-2021-08/
vendor-advisory

Sources

CVE List CVE-2021-21438
NVD CVE-2021-21438

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary