CVE-2019-20878

MEDIUM

Mattermost Server <5.9.0-4.10.8 - Info Disclosure

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses are mishandled.

References (1)

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

Scores

CVSS v3 4.3
EPSS 0.0023
EPSS Percentile 45.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

Status published
Products (2)
mattermost/mattermost_server 5.9.0 rc1 (4 CPE variants)
mattermost/mattermost_server < 4.10.8
Published Jun 19, 2020
Tracked Since Feb 18, 2026