---
cve: "CVE-2022-45195"
severity: "MEDIUM"
cvss: 5.3
epss: "0.6%"
vendor: "n/a"
kev: false
exploited: false
published: "2022-11-12 19:15:10"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-02T02:06:45+02:00"
---

# CVE-2022-45195

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/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 | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- cf1bd0d467ed4097cbe89b0aa05f8f58ccbb0c2e (Commit)
- d2b88a1baa390ec64b6535e32ce69f26f53f4d7a (Commit)

## Referenzen

- <https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf>
- <https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html>
- <https://github.com/simplex-chat/simplexmq/pull/548>
- <https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-45195) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_