CVE-2023-4378

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

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.5% 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.

Published

2023-09-01 10:30Z3 YR AGO

Last updated

2026-04-24 04:06Z4 MO AGO

Reserved

2023-08-16

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-201Insertion of Sensitive Information Into Sent DataBase

Data version

5.2

Document digest

c08cd4c29969a2278dc720d0e9b713f5ed62aa9fbccf297e277cf3344c40771f

• gitlab.comGitLab Issue #422134https://gitlab.com/gitlab-org/gitlab/-/issues/422134issue-trackingpermissions-required
• hackerone.comHackerOne Bug Bounty Report #2104591https://hackerone.com/reports/2104591technical-descriptionexploit