---
cve: "CVE-2021-22196"
severity: "MEDIUM"
cvss: 6.3
epss: "94%"
vendor: "GitLab"
kev: false
exploited: false
published: "2021-04-02 17:15:12"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T09:35:32+02:00"
---

# CVE-2021-22196

> 6.3 MEDIUM

## Beschreibung

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 2378e1fea098afa15fc0bd4aa52a102c0c1c31b4 (Commit)
- b5cf6b82d7d8da2f4bccaa1c3018bfdff36963dd (Commit)

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/issues/254710>
- <https://hackerone.com/reports/977697>
- <https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22196.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-22196) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_