What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2023-2788.

What is the severity of CVE-2023-2788?

The severity of CVE-2023-2788 is medium with a CVSS score of 6.5.

How does Mattermost fail to check if an admin user account is active after an oauth2 flow is started?

Mattermost fails to check if an admin user account is active after an oauth2 flow is started, allowing an attacker to retain persistent access.

Who can exploit this vulnerability?

An attacker with admin privileges can exploit this vulnerability.

What is the affected version range of Mattermost?

Mattermost versions 7.1.0 to 7.1.9, 7.8.0 to 7.8.4, 7.9.0 to 7.9.3, and 7.10.0 are affected.

Vulnerability/
CVE-2023-2788

medium

6.5

CWE

613 862

16/6/2023

2/8/2024

CVE-2023-2788: Deactivated user can retain access using oauth2 api

First published: Fri Jun 16 2023(Updated: )

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.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost Mattermost	>=7.1.0<=7.1.9
Mattermost Mattermost	>=7.8.0<=7.8.4
Mattermost Mattermost	>=7.9.0<=7.9.3
Mattermost Mattermost	=7.10.0

Remedy

Update Mattermost to version 7.1.10, 7.8.5, 7.9.4, 7.10.1 or higher.

Never miss a vulnerability like this again

Reference Links

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

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-2788.
What is the severity of CVE-2023-2788?
The severity of CVE-2023-2788 is medium with a CVSS score of 6.5.
How does Mattermost fail to check if an admin user account is active after an oauth2 flow is started?
Mattermost fails to check if an admin user account is active after an oauth2 flow is started, allowing an attacker to retain persistent access.
Who can exploit this vulnerability?
An attacker with admin privileges can exploit this vulnerability.
What is the affected version range of Mattermost?
Mattermost versions 7.1.0 to 7.1.9, 7.8.0 to 7.8.4, 7.9.0 to 7.9.3, and 7.10.0 are affected.

collector/nvd-index
agent/weakness
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/references
agent/author
agent/last-modified-date
agent/severity
agent/title
agent/remedy
agent/first-publish-date
agent/description
agent/tags
agent/event
vendor/mattermost
canonical/mattermost mattermost
version/mattermost mattermost/7.1.0
version/mattermost mattermost/7.1.9
version/mattermost mattermost/7.8.0
version/mattermost mattermost/7.8.4
version/mattermost mattermost/7.9.0
version/mattermost mattermost/7.9.3
version/mattermost mattermost/7.10.0

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