CVE-2023-5600 json
Missing Authorization in GitLab
published last yr. modified 2mo ago also BIT-gitlab-2023-5600 , EUVD-2023-57893
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
An issue has been discovered in GitLab EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. Arbitrary access to the titles of an private specific references could be leaked through the service-desk custom email template.
Patch / fix
- bitnami gitlab 16.3.6, 16.4.2, 16.5.1
- GitLab GitLab 16.3.6, 16.4.2, 16.5.1
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-14).
Exploits and checks
- hackerone.com https://hackerone.com/reports/2209702 referenced PoC, tagged "exploit" by a source, unverified
- gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/428268 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| OSV | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | gitlab | >=16.0.0, <16.3.6 >=16.4.0, <16.4.2 >=16.5.0, <16.5.1 |
16.3.6 16.4.2 16.5.1 |
Affected products
- GitLab GitLab
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
-
hackerone.com
/reports/2209702
technical-description, exploit, permissions-required, web
-
gitlab.com
/gitlab-org/gitlab/-/issues/428268
issue-tracking, permissions-required, exploit, evidence
-
nvd.nist.gov
/vuln/detail/CVE-2023-5600
web
Sources
- CVE List CVE-2023-5600
- NVD CVE-2023-5600
- OSV BIT-gitlab-2023-5600
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.