CVE-2022-3351Network attack vector

Primary email disclosure via group member webhooks

Published Oct 17, 2022 · Updated May 14, 2025

Information disclosure in affected GitLab EE releases allows remote authenticated users to obtain primary email addresses through group webhooks. Group member event webhook generation includes an added or removed user's primary hidden email address in the request sent to the configured URL. Authenticated access and a configured Premium-tier group webhook are required; affected versions are 13.7 before 15.2.5, 15.3 before 15.3.4, and 15.4 before 15.4.1.

CVSS severity4.2
Medium
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in affected GitLab EE releases allows remote authenticated users to obtain primary email addresses through group webhooks. Group member event webhook generation includes an added or removed user's primary hidden email address in the request sent to the configured URL. Authenticated access and a configured Premium-tier group webhook are required; affected versions are 13.7 before 15.2.5, 15.3 before 15.3.4, and 15.4 before 15.4.1.

The record

CVE
CVE-2022-3351
Published
Oct 17, 2022
Updated
May 14, 2025
Vendor
GitLab
Product
GitLab
Classifications
T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 17, 2022CVE publishedPublication date reported by the CVE source.
  2. May 14, 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=>=13.7, <15.2.5
  2. Affected versionversion=>=15.3, <15.3.4
  3. Affected versionversion=>=15.4, <15.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=>=13.7, <15.2.5; version=>=15.3, <15.3.4; version=>=15.4, <15.4.1

Published CVSS scores

4.2GitLabCVSS:3.1/AV:N/AC:L/PR:L/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 exploitUnconfirmed

Weakness, pattern, technique

T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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