Description
Mattermost 6.3.0 and earlier fails to protect email addresses of the creator of the team via one of the APIs, which allows authenticated team members to access this information resulting in sensitive & private information disclosure.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://mattermost.com/security-updates/
Scores
CVSS v3
4.3
EPSS
0.0039
EPSS Percentile
60.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (1)
mattermost/mattermost
< 6.3.0
Published
Feb 21, 2022
Tracked Since
Feb 18, 2026