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01 Record

CVE-2021-39886

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic

LowPUBLISHEDCNA: GitLab
CNA base score2.6 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

02 Description

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic

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
0.56% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 46.5% of scored records. A rank, not a probability.
NVD base score
4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
2021-10-05 13:39Z5 YR AGO
Last updated
2024-08-04 02:20Z2 YR AGO
Reserved
2021-08-23
Assigning CNA
GitLab
Record state
PUBLISHED
Severity
Low (CVSS 2.6)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Weaknesses
  • CWE-276Incorrect Default PermissionsBase
Data version
5.1
Document digest
03b0bc5b51e068942164e3c3adbb3dd316ab7efd7b3f25e1f37cd478cb35bbab

05 Affected products

VendorProductVersionsPlatforms
GitLabGitLab>=10.6, <14.1.7, >=14.2, <14.2.5, >=14.3, <14.3.1—

06 References

07 Fixed in

Arch Linux

  • gitlab
    Fixed in 14.3.1-1

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

Ubuntu 16.04 LTS

  • gitlab
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. 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.