CVE-2021-38562
HIGHCVSS 7.5/10EPSS 1.71%
Last modified
CVE-2021-38562 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.71% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bestpractical | Request Tracker | >= 4.2.0, < 4.2.17 |
| Bestpractical | Request Tracker | >= 4.4.0, < 4.4.5 |
| Bestpractical | Request Tracker | >= 5.0.0, < 5.0.2 |
| Fedoraproject | Fedora | 35 |
| Debian | Debian Linux | 9.0 |
References
- https://docs.bestpractical.com/release-notes/rt/index.htmlVendor Advisory
- https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57cPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/06/msg00019.htmlMailing List, Third Party Advisory
- https://docs.bestpractical.com/release-notes/rt/index.htmlVendor Advisory
- https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57cPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/06/msg00019.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38562?
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.
How severe is CVE-2021-38562?
CVE-2021-38562 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.71% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38562?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-38562?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST