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CVE-2020-8920
Overoptimization leads to private information leak in Gerrit
Low3.5EPSS 0.37%
- Published
- Updated
- Reserved
- Assigned by
Description
An information leak vulnerability exists in Gerrit versions prior to 2.14.22, 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5 where an overoptimization with the FilteredRepository wrapper skips the verification of access on All-Users repositories, allowing an attacker to get read access to all users' personal information associated with their accounts.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GoogleCNA (assigner) | 3.1 | Low3.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Low3.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.5.
Weakness
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.google.gerrit:gerrit-plugin-apiGHSA-g5q2-cxgq-h2rw (opens in a new tab)
References (7)
- https://www.gerritcodereview.com/2.15.html#21521 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.gerritcodereview.com/2.16.html#21625 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.gerritcodereview.com/3.0.html#3014 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.gerritcodereview.com/3.1.html#3110 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.gerritcodereview.com/3.2.html#325 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://gerrit.googlesource.com/gerrit/+/45071d6977932bca5a1427c8abad24710fed2e33 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.gerritcodereview.com/2.14.html#21422 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-g5q2-cxgq-h2rw (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-8920)Record last updated .