---
cve: "CVE-2021-39937"
severity: "MEDIUM"
cvss: 5.9
epss: "0.8%"
vendor: "GitLab"
kev: false
exploited: false
published: "2021-12-13 16:15:09"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T22:44:40+02:00"
---

# CVE-2021-39937

> 5.9 MEDIUM

## Beschreibung

A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 057790c613dea428aa523357c333ced5433794ee (Commit)
- a1175384df48e74899d664520601823016d81084 (Commit)

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/issues/336802>
- <https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-39937) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_