CVE-2021-22258Network attack vector

Authenticated private email disclosure via project exports

Published Oct 5, 2021 · Updated Aug 3, 2024

Information disclosure in affected GitLab releases allows remote authenticated users to read private email addresses through project exports. GitLab has not published the exact faulty code path; project export data included email values that profiles marked private. An authenticated account with project export access is required, and the reported impact is limited to disclosure of email addresses.

CVSS severity4.3
Medium
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Information disclosure in affected GitLab releases allows remote authenticated users to read private email addresses through project exports. GitLab has not published the exact faulty code path; project export data included email values that profiles marked private. An authenticated account with project export access is required, and the reported impact is limited to disclosure of email addresses.

The record

CVE
CVE-2021-22258
Published
Oct 5, 2021
Updated
Aug 3, 2024
Vendor
GitLab
Product
GitLab
Classifications
T1213.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 5, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=>=14.1, <14.1.4
  2. Affected versionversion=>=14.2, <14.2.2
  3. Affected versionversion=>=8.9, <14.0.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=>=14.1, <14.1.4; version=>=14.2, <14.2.2; version=>=8.9, <14.0.9

Published CVSS scores

4.3GitLabCVSS: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

T1213.003Code Repositories

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo