CVE-2021-22553: google llc gerrit Uncontrolled Resource Consumption
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.
Timeline
- 17-02-2021PublishedVulnerability first disclosed.
- 16-09-2024Last 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- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-772Missing Release of Resource after Effective LifetimeThe product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
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