Auth bypass in Gerrit
CVE-2020-8919
An information leak vulnerability exists in Gerrit versions prior to 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5 where a missing access check on the branch REST API allows an attacker with only the default set of priviledges to read all other user's personal account data as well as sub-trees with restricted access.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Gerrit — versions stable
- Google Gerrit
Weakness classification (CWE)
References
- gerrit.googlesource.com/gerrit/+/0532fb876cb86bc091a91f78e6f28fff9e39ca65 (Patch, Issue Tracking, Vendor Advisory)
- www.gerritcodereview.com/2.15.html (Release Notes, Vendor Advisory)
- www.gerritcodereview.com/2.16.html (Release Notes, Vendor Advisory)
- www.gerritcodereview.com/3.0.html (Release Notes, Vendor Advisory)
- www.gerritcodereview.com/3.1.html (Release Notes, Vendor Advisory)
- www.gerritcodereview.com/3.2.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8919?
- CVE-2020-8919 is a low-severity vulnerability in Gerrit, classified under Improper Authorization. CVSS score: 3.5/10. Published 2020-12-10.
- How severe is CVE-2020-8919?
- Low severity. CVSS v3 base score is 3.5 out of 10.