CVE-2021-31865

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows users to circumvent the allowed filename extensions of uploaded attachments.

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-2021-31865

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202105-1

OS impact

OSVersionStatusFixed in
arch archfixed4.2.1-1
debian debianbookwormfixed5.0.0-1
debian debiansidfixed5.0.0-1
debian debiantrixiefixed5.0.0-1

References

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