CVE-2021-22166

mediumpriority · track · 30EPSS 0.014 · 72 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.39% (72nd) EPSS
CVSS 5 · medium
Is it mine?
6 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

An attacker could cause a Prometheus denial of service in GitLab 13.7+ by sending an HTTP request with a malformed method

01

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · cve@gitlab.comexploitability 3.9 · impact 1.4
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (6)

Products and version ranges known to be affected.

04

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2024-1809GitLab: Mehrere SchwachstellenDeutsch2021-01-07csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann eine Schwachstelle in GitLab ausnutzen, um beliebigen Programmcode auszuführen, einen Denial of Service Zustand herzustellen oder Informationen offenzulegen.

  • BIT-gitlab-2021-221662024-03-06vendor · osvUS

    An attacker could cause a Prometheus denial of service in GitLab 13.7+ by sending an HTTP request with a malformed method

05

also known as (3)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2021-01-15modified 2026-06-17
08

references (9)

External citations — patches, advisories, analysis.

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