CVE-2020-8919: low-severity vulnerability in Gerrit
Information leakage in Gerrit
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.5epss 0.3%
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.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected products
Gerrit · GerritRelated CVEs — Gerrit
In the same product, most dangerous first.
CVE-2020-8920LOWOveroptimization leads to private information leak in GerritEPSS 0.4%CVE-2026-87722HIGHRegular Expression Denial of Service (ReDoS) in Search Query Predicates and REST Filter Endpoints in Gerrit Code ReviewEPSS 0.3%CVE-2026-87721HIGHDenial of Service via Exponential Backtracking in ANTLR Search Query Parser in Gerrit Code ReviewEPSS 0.3%CVE-2026-87720HIGHIncorrect Authorization via Stale ProjectCache Eviction and Repeated .git Suffixes in Gerrit Code ReviewEPSS 0.3%CVE-2026-2725MEDIUMImproper Authorization in Gerrit allowing Code Review Bypass via "Submitted Together"EPSS 0.1%
References
https://gerrit.googlesource.com/gerrit/+/0532fb876cb86bc091a91f78e6f28fff9e39ca65https://www.gerritcodereview.com/2.15.html#21521https://www.gerritcodereview.com/2.16.html#21625https://www.gerritcodereview.com/3.0.html#3014https://www.gerritcodereview.com/3.1.html#3110https://www.gerritcodereview.com/3.2.html#325