What is CVE-2022-2408?

CVE-2022-2408 is a medium-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 4.3/10. Published 2022-07-14.

How severe is CVE-2022-2408?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Mattermost

CVE-2022-2408

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

Vulnerability class: Information Disclosure

EPSS: 0.006 (43.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mattermost — versions unspecified, 6.4.x, 6.5.x

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-863 — Incorrect Authorization

References

responsibledisclosure@mattermost.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-2408?: CVE-2022-2408 is a medium-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 4.3/10. Published 2022-07-14.
How severe is CVE-2022-2408?: Medium severity. CVSS v3 base score is 4.3 out of 10.