CVE-2021-37156

medium

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

5.5

Description

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-37156

OS impact

OS	Version	Status	Fixed in
arch		fixed	`4.2.2-1`
debian	bookworm	fixed	`0`
debian	sid	fixed	`0`
debian	trixie	fixed	`0`

References

https://security-tracker.debian.org/tracker/CVE-2021-37156

Verify integrity in audit chain (admin only). AS-IS.