Vulnerability in Redmine
CVE-2021-31866
Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController and MailHandlerController.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Redmine
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- www.redmine.org/projects/redmine/wiki/Security_Advisories (Vendor Advisory)
- www.redmine.org/news/131 (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2021/05/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31866?
- CVE-2021-31866 is a medium-severity vulnerability in Redmine, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2021-04-28.
- How severe is CVE-2021-31866?
- Medium severity. CVSS v3 base score is 5.3 out of 10.