Insufficient input validation in the Git repository integration of Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows…

published 2021-04-28 5 y ago modified 2026-09-08 2 mo ago also BIT-redmine-2021-31863 , EUVD-2021-18738

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

Insufficient input validation in the Git repository integration of Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows Redmine users to read arbitrary local files accessible by the application server process.

Patch / fix

fixed in 2 distros 2

bitnami redmine 4.0.9, 4.1.3, 4.2.1
redmine redmine 4.0.9, 4.1.3, 4.2.1

debian arch linux

redmine Debian 14, Debian 13, Debian 12 5.0.0-1

debian advisories DEBIAN-CVE-2021-31863

redmine Arch Linux 4.2.1-1

arch linux advisories AVG-1743

Exploit prediction

1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N
OSV	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
bitnami	redmine	<4.0.9 >=4.1.0, <4.1.3 >=4.2.0, <4.2.1	4.0.9 4.1.3 4.2.1

Classification

Weakness

CWE-20 Improper Input Validation

References

redmine.org /projects/redmine/wiki/Security_Advisories
vendor-advisory, advisory
redmine.org /news/131
vendor-advisory, advisory
lists.debian.org /debian-lts-announce/2021/05/msg00013.html
mailing-list, third-party-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2021-31863
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary