Information disclosure in Mattermost

CVE-2023-1562

Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.

Vulnerability class: Information Disclosure

EPSS: 0.005 (37.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-1562?
CVE-2023-1562 is a low-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 3.5/10. Published 2023-03-22.
How severe is CVE-2023-1562?
Low severity. CVSS v3 base score is 3.5 out of 10.