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TI-2021-15222 Aliases CVE-2021-37156GHSA-ghph-4rfg-4x3f

Redmine 4.2.0 and 4.2.1 allow existing user sessions to continue upon enabling two-factor…

Priority LOW 35CWE-613Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613.

Summary

Redmine 4.2.0 and 4.2.1 allow existing user sessions to continue upon enabling two-factor authentication for the user's account, but the intended behavior is for those sessions to be terminated.

Why it matters now

EPSS 0.01013 63rd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:redmine:redmine:4.2.0:*:*:*:*:*:*:*4.2.0VulnerableRedmine
cpe:2.3:a:redmine:redmine:4.2.1:*:*:*:*:*:*:*4.2.1VulnerableRedmine
  • cpe:2.3:a:redmine:redmine:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Redmine
  • cpe:2.3:a:redmine:redmine:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Redmine

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-37156
  2. 2026-10-03 Alias added: GHSA-ghph-4rfg-4x3f

References

  • TI-2011-04243 Unspecified vulnerability in the bazaar repository adapter in Redmine 0.9.x and 1.0.x… CVSS 2.0HIGH 7.5
  • TI-2021-10704 Redmine before 4.0.8 and 4.1.x before 4.1.2 allows attackers to bypass the… CVSS 3.1CRITICAL 9.8
  • TI-2017-13235 Redmine before 3.2.9, 3.3.x before 3.3.6, and 3.4.x before 3.4.4 does not block the… CVSS 3.0HIGH 8.8
  • TI-2017-11378 Redmine before 3.2.6 and 3.3.x before 3.3.3 mishandles the rendering of wiki links, which… CVSS 3.0HIGH 7.5
  • TI-2017-11377 Redmine before 3.2.6 and 3.3.x before 3.3.3 mishandles Time Entry rendering in activity… CVSS 3.0HIGH 7.5
  • TI-2017-11373 In Redmine before 3.2.6 and 3.3.x before 3.3.3, remote attackers can obtain sensitive… CVSS 3.0HIGH 7.5
See all 49 →

Sources