3.5

CVE-2020-8920: gerrit Improper Authorization

CVSS: 3.5v3.1LowModified
AliasesGHSA-g5q2-cxgq-h2rw
Published 10-12-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-8920 is a low (CVSS 3.5) Improper Authorization vulnerability in gerrit. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.5% of scored vulnerabilities.

Overall risk
14/100
0100
Low · default modelHow is this calculated?
CVSS score
3.5/10
010
Low · v3.1 (CVE.org)
EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

0.00 pp

From 0.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Com.google.gerrit1 product
  • gerrit-plugin-api< 2.14.22 | ≥ 2.15.0, < 2.15.21 | ≥ 2.16.0, < 2.16.25 | ≥ 3.0.0, < 3.0.15 | ≥ 3.1.0, < 3.1.10 | ≥ 3.2.0, < 3.2.5
Gerrit1 product
Google1 product
  • gerrit≥ 2.14.0, < 2.14.22 | ≥ 2.15.0, < 2.15.21 | ≥ 2.16.0, < 2.16.25 | ≥ 3.0.0, < 3.0.15 | ≥ 3.1.0, < 3.1.10 | ≥ 3.2.0, < 3.2.5

3 vendors · 3 products

References

10 links