CVE-2023-6840

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.5% of scored records. A rank, not a probability.

NVD base score

6.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

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.

Published

2024-02-07 22:02Z2 YR AGO

Last updated

2026-04-24 04:07Z4 MO AGO

Reserved

2023-12-15

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

Medium (CVSS 6.7)

CNA CVSS vector

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

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

4a14a6cb7e29da5c8b15c18eafad8072be3ab416c846830dfe937ecf72ec258e

• gitlab.comGitLab Issue #435500https://gitlab.com/gitlab-org/gitlab/-/issues/435500issue-trackingpermissions-required
• hackerone.comHackerOne Bug Bounty Report #2280292https://hackerone.com/reports/2280292technical-descriptionexploitpermissions-required