CVE-2023-2788

Deactivated user can retain access using oauth2 api

CVSS 6.2 MEDIUMEPSS 0.5%CWE-862

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.2EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Jun 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L

Affected products

Mattermost · Mattermost

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://mattermost.com/security-updates/