What is CVE-2023-3587?

CVE-2023-3587 is a low-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 2.7/10. Published 2023-07-17.

How severe is CVE-2023-3587?

Low severity. CVSS v3 base score is 2.7 out of 10.

Auth bypass in Mattermost

CVE-2023-3587

Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.

Vulnerability class: Broken Access Control

EPSS: 0.004 (35.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

Affected products

Mattermost — versions 0, 7.8.7, 7.9.5
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-3587?: CVE-2023-3587 is a low-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 2.7/10. Published 2023-07-17.
How severe is CVE-2023-3587?: Low severity. CVSS v3 base score is 2.7 out of 10.