CVE-2017-18909

HIGH

Mattermost Server <3.9.0 - Info Disclosure

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 3.9.0 when SAML is used. Encryption and signature verification are not mandatory.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/

Scores

CVSS v3 7.5
EPSS 0.0015
EPSS Percentile 34.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-295
Status published
Products (2)
mattermost/mattermost-server 0 - 3.8.1-0.20170504181128-4f074fed0d65Go
mattermost/mattermost_server < 3.9.0
Published Jun 19, 2020
Tracked Since Feb 18, 2026