Low severity · published Jul 17, 2023
CVE-2023-3587
Inconsistent state in UI after boards permission change by system admin
2.7
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
through 7.8.6; through 7.9.4; through 7.10.2 · source: vendor
MS
Mattermost Server · Mattermost
7.8.0 before 7.8.7; 7.10.0 before 7.10.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3587
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3587
Vendor Advisory
https://mattermost.com/security-updates
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