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.
References (1)
Core 1
Core References
Vendor Advisory
https://mattermost.com/security-updates
Scores
CVSS v3
8.1
EPSS
0.0029
EPSS Percentile
52.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-295
Status
published
Products (1)
mattermost/mattermost
< 2.5.1
Published
Jul 17, 2023
Tracked Since
Feb 18, 2026