---
cve: "CVE-2021-33054"
severity: "HIGH"
cvss: 7.5
epss: "20%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2021-06-04 15:15:07"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T05:29:59+02:00"
---

# CVE-2021-33054

> 7.5 HIGH

## Beschreibung

SOGo 2.x before 2.4.1 and 3.x through 5.x before 5.1.1 does not validate the signatures of any SAML assertions it receives. Any actor with network access to the deployment could impersonate users when SAML is the authentication method. (Only versions after 2.0.5a are affected.)

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 24687abdd496d9a9e416d4efa082bb325dad2870 (Commit)
- a42749facdf98fe101dc962b855399bf4683ecb2 (Commit)

## Referenzen

- <https://blogs.akamai.com/2021/06/sogo-and-packetfence-impacted-by-saml-implementation-vulnerabilities.html>
- <https://github.com/inverse-inc/sogo/blob/master/CHANGELOG.md>
- <https://lists.debian.org/debian-lts-announce/2021/07/msg00007.html>
- <https://www.debian.org/security/2021/dsa-5029>
- <https://www.sogo.nu/news.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-33054) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_