CVE-2021-22175

CRITICAL

9.8

CVSS Score

Published: June 11, 2021 at 03:30 PM UTC

Updated: October 1, 2026 at 07:17 PM UTC

1 product affected across 1 vendorGitLab

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Severity

CRITICAL9.8

Exploitation

CISA KEV

Exploit prediction

EPSS 53%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score53.4%

EPSS (Exploit Prediction Scoring System) estimates a 53.4% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

GitLab contains a server-side request forgery (SSRF) vulnerability when requests to the internal network for webhooks are enabled.

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 Use

Unknown

Added to KEV

Feb 18, 2026

Remediation Due

Mar 11, 2026

235 days overdue

Notes

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json

https://nvd.nist.gov/vuln/detail/CVE-2021-22175

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

v < 13.6.7v < 13.7.7v < 13.8.410.5.0 ≤ v < 13.6.713.7.0 ≤ v < 13.7.713.8.0 ≤ v < 13.8.4

Affected range stops below 13.6.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.7.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.8.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json

x_refsource_MISCExploitIssue TrackingVendor Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/294178

x_refsource_MISCPermissions RequiredThird Party Advisory

Source: [email protected]

https://hackerone.com/reports/1059596

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22175

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICAL[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-918

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