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Exploitation reportedNot in CISA KEV yetFix available

CVE-2021-22214

Exploitation reported by one source. First attested on 2023-10-24 by GCVE · shadowserver.

  • Published2021-06-08
  • Fixed in13.12.2 · 13.11.5 · 13.10.5
  • WeaknessCWE-918

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is limited

Timeline

dates in UTC
  1. 2021-06-0815:15CVE publishedNVD
  2. 2023-10-2410:23Listed as exploited by GCVEGCVE
  3. 2023-10-2410:23Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-22214?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22214?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
GitLab
BranchAffectedFixed in
13.12≥ 13.12, < 13.12.213.12.2
13.12≥ 13.12.0, < 13.12.213.12.2
13.11≥ 13.11, < 13.11.513.11.5
13.11≥ 13.11.0, < 13.11.513.11.5
13.10≥ 10.5, < 13.10.513.10.5
13.10≥ 10.5.0, < 13.10.513.10.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gitlabUbuntu:16.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

  1. Update GitLab to 13.12.2 · 13.11.5 · 13.10.5

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
4 repositories, unverifiedaaminin/CVE-2021-22214Vulnmachines/gitlab-cve-2021-22214ZZ-SOCMAP/CVE-2021-22214kh4sh3i/GitLab-SSRF-CVE-2021-22214
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2023-10-24
  • CNACVSS 3.16.8known since 2026-10-23
  • NVDCVSS 3.18.6read 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • NVDweakness (CWE)CWE-918read 2026-10-23
  • FIRST EPSSEPSS score27.8 %read 2026-11-03
  • PoC-in-GitHubproof of concept4read 2026-11-03
  • ProjectDiscoverydetectionread 2026-11-03
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Published
2021-06-08
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-22214?

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is limited

Is CVE-2021-22214 actively exploited?

Active exploitation of CVE-2021-22214 has not been confirmed. Its EPSS score was 27.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22214?

CVE-2021-22214 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

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