Information leakage in Gerrit
Priority LOW 17CWE-285Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
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.
Why it matters now
EPSS 0.00321 25th percentileScored 2026-11-07
Fix Fixed Gerrit (Gerrit): 2.15.21
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Gerrit | stable to before 2.15.21 | 2.15.21 | Patch available | CNA |
- Gerrit VendorGoogle Affected stable to before 2.15.21 Fixed in 2.15.21 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* | 2.15.0 to before 2.15.21; 2.16.0 to before 2.16.25; 3.0.0 to before 3.0.15; 3.1.0 to before 3.1.10; 3.2.0 to before 3.2.5 | Vulnerable |
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* Versions 2.15.0 to before 2.15.21; 2.16.0 to before 2.16.25; 3.0.0 to before 3.0.15; 3.1.0 to before 3.1.10; 3.2.0 to before 3.2.5 Vulnerable ·Google
Remediation
- Fix · CNA Gerrit (Gerrit) Fixed in 2.15.21
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8919
- 2026-10-03 Alias added: GHSA-xh5j-7f7g-7g5c
References
More Google Gerrit vulnerabilities
- TI-2026-02333 Improper Authorization in Gerrit allowing Code Review Bypass via "Submitted Together" CVSS 4.0MEDIUM 6.0
- TI-2021-05513 Heap Memory exhaustion in Gerrit CVSS 3.1HIGH 7.5
- TI-2020-07163 Overoptimization leads to private information leak in Gerrit CVSS 3.1LOW 3.5
Sources
- CVE-2020-8919 · CVE Program
- CVE-2020-8919 · NVD
- FIRST EPSS
- GHSA-xh5j-7f7g-7g5c · GitHub Advisory Database · CC BY 4.0
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