Medium severity · published Nov 27, 2023
CVE-2023-45223
Users full name disclosure through Mattermost Boards with Show Full Name Option disabled
4.3
CVSS
0.5%
EPSS
No
On KEV
Description
Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
through 7.8.12; through 8.1.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-45223
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-45223
Vendor Advisory
https://mattermost.com/security-updates
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