PT-2023-18354 · Unknown · Mattermost

Whitehattushu · Published 2023-04-20 · Updated 2023-05-02 · CVE-2023-2193

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

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

Description Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.

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

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2023-2193

Affected Products

Mattermost

References · 5

• https://osv.dev/vulnerability/CVE-2023-2193 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2193 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://t.me/cibsecurity/62498 · Telegram Post
• https://t.me/cvenotify/49655 · Telegram Post