7.5

CVE-2021-22553: google llc gerrit Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
Published 17-02-2021Last modified 16-09-2024

Vulnerability summary

CVE-2021-22553 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in google llc gerrit. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
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. 17-02-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

29%

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

Google1 product
  • gerrit< 2.15.22 | ≥ 2.16.0, < 2.16.26 | ≥ 3.0.0, < 3.0.16 | ≥ 3.1.0, < 3.1.12 | ≥ 3.2.0, < 3.2.7 | ≥ 3.3.0, < 3.3.2
Google llc1 product
  • gerrit≥ unspecified, < 2.15.22 | ≥ unspecified, < 2.16.26 | ≥ unspecified, < 3.0.16 | ≥ unspecified, < 3.1.12 | ≥ unspecified, < 3.2.7 | ≥ unspecified, < 3.3.2

2 vendors · 2 products

References

1 links