What is CVE-2023-3615?

CVE-2023-3615 is a high-severity vulnerability in Mattermost, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2023-07-17.

How severe is CVE-2023-3615?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2023-3615 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mattermost

CVE-2023-3615

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

Vulnerability class: Improper Certificate Validation

EPSS: 0.003 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: 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 — versions 0, 2.5.1

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

Public proof-of-concept exploits

aapooksman/certmitm

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-3615?: CVE-2023-3615 is a high-severity vulnerability in Mattermost, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2023-07-17.
How severe is CVE-2023-3615?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-3615 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.