01 Record

CVE-2021-39909

Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions

MediumPUBLISHEDCNA: GitLab

CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

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02 Description

Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.61% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 49.2% of scored records. A rank, not a probability.
NVD base score: 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-11-04 23:03Z4 YR AGO

Last updated

2024-08-04 02:20Z2 YR AGO

Reserved

2021-08-23

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.1

Document digest

645ef2503b2d55832f51ecf8e6ae30e6e24343b922f291464122db775cedc4bf

05 Affected products

VendorProductVersionsPlatforms

GitLabGitLab>=11.3, <14.2.6, >=14.3, <14.3.4, >=14.4, <14.4.1—

06 References

gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/issues/335191x_refsource_MISC
hackerone.comhttps://hackerone.com/reports/1237750x_refsource_MISC
gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.jsonx_refsource_CONFIRM

07 Fixed in

Arch Linux

gitlab
Fixed in 14.5.0-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.