PT-2022-37851 · Go · Github.Com/Mattermost/Mattermost-Server

Published 2022-05-24 · Updated 2022-05-24

OSV

CVSS v3.1

6.1

Medium

Base vector

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

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. It mishandles a deny action for a redirection.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

GHSA-F7C3-7VP3-44P6

Affected Products

Github.Com/Mattermost/Mattermost-Server

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2017-18897 · Security Note
• https://osv.dev/vulnerability/GHSA-f7c3-7vp3-44p6 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/722fb1947a2e7395ccf16adce9206736d803a9f3 · Note
• https://github.com/mattermost/mattermost/commit/d38328976e2c8bb0fab91e656042a0d8ac37bc76 · Note
• https://github.com/mattermost/mattermost/commit/3c34e2b2dcb0fde96a10e68d877aa7d0ab511669 · Note
• https://mattermost.com/security-updates · Note