CVE-2022-4201Public exploitNetwork attack vector

Authenticated internal-network probing via Runner advertise address

Published Jan 27, 2023 · Updated Mar 27, 2025

Blind SSRF in affected GitLab CE/EE releases allows remote authenticated users to make GitLab connect to local addresses through a Runner. A malicious Runner's session_server advertise_address bypasses URL-blocking validation, so opening a web terminal triggers a blind TLS GET to the supplied internal host. Runner configuration and web-terminal access are required, and the demonstrated request reveals no response body.

CVSS severity3.5
Low
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Blind SSRF in affected GitLab CE/EE releases allows remote authenticated users to make GitLab connect to local addresses through a Runner. A malicious Runner's session_server advertise_address bypasses URL-blocking validation, so opening a web terminal triggers a blind TLS GET to the supplied internal host. Runner configuration and web-terminal access are required, and the demonstrated request reveals no response body.

The record

CVE
CVE-2022-4201
Published
Jan 27, 2023
Updated
Mar 27, 2025
Vendor
GitLab
Product
GitLab
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=>=11.3, <15.4.6
  2. Affected versionversion=>=15.5, <15.5.5
  3. Affected versionversion=>=15.6, <15.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=>=11.3, <15.4.6; version=>=15.5, <15.5.5; version=>=15.6, <15.6.1

Published CVSS scores

3.5GitLab Inc.CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

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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