Auth bypass in Gitea
CVE-2021-45331
An Authentication Bypass vulnerability exists in Gitea before 1.5.0, which could let a malicious user gain privileges. If captured, the TOTP code for the 2FA can be submitted correctly more than once.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
Weakness classification (CWE)
References
- blog.gitea.io/2018/08/gitea-1.5.0-is-released/ (Release Notes, Vendor Advisory)
- github.com/go-gitea/gitea/pull/3878 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45331?
- CVE-2021-45331 is a critical-severity vulnerability in Gitea, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-02-09.
- How severe is CVE-2021-45331?
- Critical severity. CVSS v3 base score is 9.8 out of 10.