CVE-2021-22215Network attack vector

Cross-project on-call rotation information disclosure

Published Jun 8, 2021 · Updated Aug 3, 2024

Data exposure in GitLab EE 13.11 through 13.11.4 and 13.12 through 13.12.1 allows remote authenticated users to read cross-project rotation data. GitLab has not published the affected endpoint or the authorization operation that failed to enforce project isolation. Exploitation requires project-owner access; the disclosed consequence is limited to information about members' on-call rotations in other projects.

CVSS severity2.6
Low
EPSS probability0.80%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Data exposure in GitLab EE 13.11 through 13.11.4 and 13.12 through 13.12.1 allows remote authenticated users to read cross-project rotation data. GitLab has not published the affected endpoint or the authorization operation that failed to enforce project isolation. Exploitation requires project-owner access; the disclosed consequence is limited to information about members' on-call rotations in other projects.

The record

CVE
CVE-2021-22215
Published
Jun 8, 2021
Updated
Aug 3, 2024
Vendor
GitLab
Product
GitLab
Classifications
T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 8, 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

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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=>=13.11, <13.11.5
  2. Affected versionversion=>=13.12, <13.12.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=>=13.11, <13.11.5; version=>=13.12, <13.12.2

Published CVSS scores

2.6GitLabCVSS:3.1/AV:N/AC:L/PR:H/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.

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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