CVE-2021-22175

critical

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

References

https://hackerone.com/reports/1059596

https://thehackernews.com/2025/03/over-400-ips-exploiting-multiple-ssrf.html

https://www.greynoise.io/blog/new-ssrf-exploitation-surge

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

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

Details

Source: Mitre, NVD

Published: 2021-06-11

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.24265