CVE-2021-22175
📛 CVE Title
Gitlab Gitlab: CVE-2021-22175: Server-side request forgery (ssrf) in GitLab
Description
When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:N/A:N- Effective score
- 7.5 / 10 HIGH source: AI estimate
- CWE(s)
- —
- Reserved
- —
- Published
- 2021-06-11 00:00 UTC
- Last updated
- —
- Source
- https://www.rapid7.com/db/vulnerabilities/gitlab-gitlab-cve-2021-22175/
- Linked Threat
- CVE-2021-22175 — GitLab GitLab: GitLab Server-Side Request Forgery (SSRF) Vulnerability
CISA Known Exploited Vulnerabilities CISA KEV
CISA has confirmed in-the-wild exploitation of this CVE. Federal agencies must remediate by the due date below; private orgs should treat it as priority-1.
- Vulnerability name
- GitLab Server-Side Request Forgery (SSRF) Vulnerability
- Vendor / project
- GitLab
- Product
- GitLab
- Date added to KEV
- 2026-02-18
- Remediation due
- 2026-03-11
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware campaign use
- Unknown
- CISA notes
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json ; https://nvd.nist.gov/vuln/detail/CVE-2021-22175
- CISA listing
- www.cisa.gov/known-exploited-vulnerabilities-catalog
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- EPSS score
- 0.5337 (probability of exploitation in next 30 days)
- EPSS percentile
- 98.85% vs all CVEs — higher = more likely to be exploited, as of 2026-06-28
NVD / KEV / EPSS data refreshed 2026-06-29 04:58 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
AI-forensic CVSS estimate
Used only when a CVE has no official CVSS from its CNA or NVD. An LLM estimates the v3.1 base score from the description; a HIGH/CRITICAL estimate promotes the CVE to a Threat.
- Estimated CVSS
- 7.5 / 10 HIGH AI estimate — not authoritative
- Estimated at
- 2026-07-16 20:55 UTC
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2021-9321 - Assigner
- GitLab
- Published
- Jun 11, 2021, 3:30:12 PM
- Updated
- Feb 19, 2026, 4:55:37 AM
- EUVD base score (CVSS 3.1)
-
6.8 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N - EUVD-reported EPSS
- 53.3700
- Vendors
- GitLab
- Products
-
GitLab (13.7, <13.7.7)GitLab (13.8, <13.8.4)GitLab (10.5, <13.6.7)
- Aliases
-
GHSA-4gm2-v7j4-74p8
ENISA description: When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
MITRE references (2) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
- https://gitlab.com/gitlab-org/gitlab/-/issues/294178 x_refsource_MISC
- https://hackerone.com/reports/1059596 x_refsource_MISC
Web references (6)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json rapid7:gitlab.com
- https://gitlab.com/gitlab-org/gitlab/-/issues/294178/ rapid7:gitlab.com
- https://hackerone.com/reports/1059596/ rapid7:hackerone.com
- http://cwe.mitre.org/data/definitions/918.html rapid7:cwe.mitre.org
- https://www.cve.org/CVERecord?id=CVE-2021-22175 rapid7:www.cve.org
- https://attackerkb.com/topics/CVE-2021-22175 rapid7:attackerkb.com
Indicators (2)
IOCs linked to the auto-promoted Threat row.
| Type | Value | VirusTotal | Attached |
|---|---|---|---|
| cwe |
CWE-918
|
no local data | 2026-05-14 02:58 UTC |
| cve |
CVE-2021-22175
|
no local data | 2026-05-14 02:58 UTC |
Remediations (16)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...
2026-06-04 08:37 UTC -
web:jumpcloud.com
Master patch compliance with this technical guide covering vulnerability scanning, deployment processes, key metrics, and remediation best practices.
2026-06-04 08:37 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-06-04 08:37 UTC -
web:support.servicenow.com
Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...
2026-06-04 08:37 UTC -
web:www.bleepingcomputer.com
CISA has ordered government agencies to secure their systems against a high-severity Oracle WebLogic Server vulnerability that was patched two years ago and is now actively exploited in attacks.
2026-06-04 08:37 UTC -
web:www.microsoft.com
These Knowledge Base articles accompany all security updates and advisories, and include caveats or known issues with security updates. Additionally, support engineers document common concerns from customers in these KB articles. These Knowledge Base articles are published the Security Update Guide with each release on Patch Tuesday.
2026-06-04 08:37 UTC -
web:www.oracle.com
Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.
2026-06-04 08:37 UTC -
web:www.oracle.com
Oracle Critical Patch Update Advisory - April 2025 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical Patch ...
2026-06-04 08:37 UTC -
web:www.windowscentral.com
A faulty BitLocker configuration is forcing some PCs into BitLocker recovery mode after the April 2026 update, but there's a workaround to resolve this issue.
2026-06-04 08:37 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-04 08:37 UTC -
web:gbhackers.com
Microsoft has released its September 2025 Patch Tuesday update, addressing a total of 81 security vulnerabilities across its product portfolio.
2026-05-14 15:20 UTC -
web:github.com
Scripts to install Windows 11 25H2 on unsupported PCs (Fast/Advanced/Reset). - tips2fix/Tips2Fix-Windows11-Installer
2026-05-14 15:20 UTC -
web:krebsonsecurity.com
Microsoft this week pushed security updates to fix more than 60 vulnerabilities in its Windows operating systems and supported software, including at least one zero-day bug that is already being ...
2026-05-14 15:20 UTC -
web:cybersecuritynews.com
Microsoft released its final Patch Tuesday updates of 2025 on December 9, addressing 56 security vulnerabilities across Windows, Office, Exchange Server, and other components.
2026-05-14 15:20 UTC -
web:www.rapid7.com
Microsoft is addressing 176 vulnerabilities this September 2025 Patch Tuesday, which is a lot. This includes a zero-day denial of service vulnerability in SQL Server.
2026-05-14 15:20 UTC -
CISA KEV
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2026-03-11 Known ransomware campaign use: Unknown
2026-05-14 01:13 UTC
AI Forensic Analysis
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