CVE-2023-3615

Lack of server certificate validation in websockets connection

CVSS 8.1 HIGHEPSS 0.3%CWE-295

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.1EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

17 Jul 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Mattermost · Mattermost iOS app

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References

https://mattermost.com/security-updates