Best Practical Request Tracker (RT) 4.2 before 4.2.17, 4.4 before 4.4.5, and 5.0 before…
Priority LOW 37CWE-203Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.
Summary
Best Practical Request Tracker (RT) 4.2 before 4.2.17, 4.4 before 4.4.5, and 5.0 before 5.0.2 allows sensitive information disclosure via a timing attack against lib/RT/REST2/Middleware/Auth.pm.
Why it matters now
EPSS 0.01835 79th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:* | 4.2.0 to before 4.2.17; 4.4.0 to before 4.4.5; 5.0.0 to before 5.0.2 | Vulnerable | bestpractical |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:* Versions 4.2.0 to before 4.2.17; 4.4.0 to before 4.4.5; 5.0.0 to before 5.0.2 Vulnerable ·bestpractical
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38562
- 2026-10-03 Alias added: GHSA-f58f-h8w5-jgjr
References
Sources
- CVE-2021-38562 · CVE Program
- CVE-2021-38562 · NVD
- FIRST EPSS
- GHSA-f58f-h8w5-jgjr · GitHub Advisory Database · CC BY 4.0
- CVE-2021-38562 · Red Hat security data · CC BY 4.0
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