CVE-2021-38562

HIGH
Published Oct 18, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Oct 18, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-203

Affected Products 5

VendorProductVersionRange
bestpracticalrequest_tracker*≥4.2.0  –  <4.2.17
bestpracticalrequest_tracker*≥4.4.0  –  <4.4.5
bestpracticalrequest_tracker*≥5.0.0  –  <5.0.2
fedoraprojectfedora35any
debiandebian_linux9.0any

References 4

  • docs.bestpractical.com https://docs.bestpractical.com/release-notes/rt/index.html
    Vendor Advisory
  • github.com https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57c
    PatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2022/06/msg00019.html
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2JK57CEEXLQF7MGBCUX76DZHXML7LUSQ/

Remediation

  • github.com https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57c
    PatchThird Party Advisory