Medium severity · published Jun 16, 2023
CVE-2023-2788
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by…
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
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
7.1.0 through 7.1.9; 7.8.0 through 7.8.4; 7.9.0 through 7.9.3; 7.10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2788
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-2788
Vendor Advisory
https://mattermost.com/security-updates/
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