CVE-2022-3818Network attack vector

Denial of service via URL parsing

Published Nov 9, 2022 · Updated May 1, 2025

Uncontrolled resource consumption in affected GitLab CE/EE releases allows remote attackers to degrade performance or interrupt the instance. GitLab identifies URL parsing as the locus but has not published the parser, function, or precise operation responsible for unbounded resource use. No authentication or user interaction is required; affected versions are before 15.3.5, 15.4.0 through 15.4.3, and 15.5.0 through 15.5.1.

CVSS severity5.3
Medium
EPSS probability0.71%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in affected GitLab CE/EE releases allows remote attackers to degrade performance or interrupt the instance. GitLab identifies URL parsing as the locus but has not published the parser, function, or precise operation responsible for unbounded resource use. No authentication or user interaction is required; affected versions are before 15.3.5, 15.4.0 through 15.4.3, and 15.5.0 through 15.5.1.

The record

CVE
CVE-2022-3818
Published
Nov 9, 2022
Updated
May 1, 2025
Vendor
GitLab
Product
GitLab
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 9, 2022CVE publishedPublication date reported by the CVE source.
  2. May 1, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<15.3.5
  2. Affected versionversion=>=15.4, <15.4.4
  3. Affected versionversion=>=15.5, <15.5.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GitLab · GitLabversion=<15.3.5; version=>=15.4, <15.4.4; version=>=15.5, <15.5.2

Published CVSS scores

5.3GitLab Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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