---
cve: "CVE-2022-39264"
severity: "HIGH"
cvss: 8.6
epss: "67%"
vendor: "Nheko-Reborn"
kev: false
exploited: false
published: "2022-09-28 22:15:14"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T03:56:56+02:00"
---

# CVE-2022-39264

> 8.6 HIGH · 🧪 PoC

## Beschreibung

nheko is a desktop client for the Matrix communication application. All versions below 0.10.2 are vulnerable homeservers inserting malicious secrets, which could lead to man-in-the-middle attacks. Users can upgrade to version 0.10.2 to protect against this issue. As a workaround, one may apply the patch manually, avoid doing verifications of one's own devices, and/or avoid pressing the request button in the settings menu.

## CVSS-Vektor

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

## Patch verfügbar (OSV)

- 031a129591d79266055c7bebb9751f893766d4ea (Commit)
- 67bee15a389f9b8a9f6c3a340558d1e2319e7199 (Commit)

## Referenzen

- <https://github.com/Nheko-Reborn/nheko/security/advisories/GHSA-8jcp-8jq4-5mm7>
- <https://github.com/Nheko-Reborn/nheko/commit/67bee15a389f9b8a9f6c3a340558d1e2319e7199>
- <https://github.com/Nheko-Reborn/nheko/releases/tag/v0.10.2>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YBOL6OOQGPZD2RLYT4EHAWTFXNIHLYEN/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TA6A5ADUVAYKD3ZFLF2JPZOTIOFJOEU7/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-39264) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_