FAQ articles are shown to users without permission
Priority LOW 21CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
EPSS 0.00634 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OTRS AG | FAQ | 6.0.x – 6.0.29 | — | No fix listed | CNA |
| OTRS AG | OTRS | up to 7.0.24 | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21438
- 2026-10-03 Alias added: GHSA-vxww-8wxj-j946
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More OTRS AG Faq vulnerabilities
- TI-2016-05069 Multiple SQL injection vulnerabilities in the FAQ package 2.x before 2.3.6, 4.x before… CVSS 3.0CRITICAL 9.4
- TI-2013-02322 A Cross-Site Scripting (XSS) Vulnerability exists in OTRS ITSM prior to 3.2.4, 3.1.8, and… CVSS 3.1MEDIUM 6.1
- TI-2013-02311 An Access Bypass issue exists in OTRS Help Desk before 3.2.4, 3.1.14, and 3.0.19, OTRS… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-21438 · CVE Program
- CVE-2021-21438 · NVD
- FIRST EPSS
- GHSA-vxww-8wxj-j946 · GitHub Advisory Database · CC BY 4.0
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