CVE-2022-24968

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-11 · updated 2026-06-17
Weakness: CWE-295

Description

In Mellium mellium.im/xmpp through 0.21.0, an attacker capable of spoofing DNS TXT records can redirect a WebSocket connection request to a server under their control without causing TLS certificate verification to fail. This occurs because the wrong host name is selected during this verification.

Affected products

Mellium Xmpp: from 0.18.0 before 0.21.1 — fixed in 0.21.1

How to fix

Upgrade to a fixed version: Mellium Xmpp 0.21.1. Check the vendor advisory for mitigations.

References

https://mellium.im/cve/cve-2022-24968/
https://mellium.im/xmpp/
https://mellium.im/cve/cve-2022-24968/
https://mellium.im/xmpp/

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