Vulnerability · Published Jul 17, 2023 · Assigned by Mattermost

CVE-2023-3615Lack of server certificate validation in websockets connection

High 8.1

In plain English

A high-severity improper certificate validation in Mattermost iOS app from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 71.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Mattermost iOS app fails to properly validate the server certificate while initializing the TLS connection allowing a network attacker to intercept the WebSockets connection.

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost iOS app 0 – through 2.5.0

Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References