CVEvulnerability

CVE-2019-20855

7.5 HIGH Published 2020-06-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N

Description

An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.

Affected configurations

• mattermost mattermost server (< 5.9.6) • mattermost mattermost server (>= 5.14.0 < 5.14.5) • mattermost mattermost server (>= 5.15.0 < 5.15.2) • mattermost mattermost server (>= 5.16.0 < 5.16.1)

References