PT-2021-22211 · Best Practical+2 · Request Tracker+2

Sunnavy · Published 2021-10-18 · Updated 2025-08-13 · CVE-2021-38562

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Best Practical Request Tracker (RT) versions 4.2 through 4.2.16 Best Practical Request Tracker (RT) versions 4.4 through 4.4.4 Best Practical Request Tracker (RT) versions 5.0 through 5.0.1

Description The issue allows sensitive information disclosure via a timing attack against the lib/RT/REST2/Middleware/Auth.pm module.

Recommendations For versions 4.2 through 4.2.16, update to version 4.2.17 or later. For versions 4.4 through 4.4.4, update to version 4.4.5 or later. For versions 5.0 through 5.0.1, update to version 5.0.2 or later.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-38562

DLA-3057-1

USN-6529-1

USN-7692-1

Affected Products

Linuxmint

Request Tracker

Ubuntu

References · 30

• https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57c · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-38562 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-38562 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-38562 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2JK57CEEXLQF7MGBCUX76DZHXML7LUSQ · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-31500 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7692-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7692-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6529-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-38562 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-38562 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-25803 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-3262 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-41260 · Vendor Advisory
• https://docs.bestpractical.com/release-notes/rt/index.html · Vendor Advisory