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CVE-2023-2788

MEDIUMCVSS 6.5/10EPSS 0.50%

Last modified

CVE-2023-2788 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. . EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.50%

39.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MattermostMattermost>= 7.1.0, <= 7.1.9
MattermostMattermost>= 7.8.0, <= 7.8.4
MattermostMattermost>= 7.9.0, <= 7.9.3
MattermostMattermost7.10.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 obtaining an oauth2 access token while the attacker's account is deactivated.
How severe is CVE-2023-2788?
CVE-2023-2788 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2023-2788?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2788?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST