PT-2023-21391 · Unknown · Mattermost

Whitehattushu · Published 2023-06-16 · Updated 2023-06-26 · CVE-2023-2788

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost (affected versions not specified)

Description The issue allows an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated, due to a failure in checking if an admin user account is active after an oauth2 flow is started.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Insufficient Session Expiration

Weakness Enumeration

CWE-862

CWE-613

Related Identifiers

CVE-2023-2788

Affected Products

Mattermost

References · 5

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-2788 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2788 · Security Note
• https://t.me/cibsecurity/65293 · Telegram Post
• https://t.me/cvenotify/52476 · Telegram Post