CVE Vulnerabilities

CVE-2019-20879

Improper Authentication

Published: Jun 19, 2020 | Modified: Jul 21, 2021
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. Changes to e-mail addresses do not require credential re-entry.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Mattermost_server Mattermost * 4.10.7 (excluding)
Mattermost_server Mattermost 5.6.0 (including) 5.6.5 (excluding)
Mattermost_server Mattermost 5.7.0 (including) 5.7.2 (excluding)
Mattermost_server Mattermost 5.8.0-rc1 (including) 5.8.0-rc1 (including)
Mattermost_server Mattermost 5.8.0-rc2 (including) 5.8.0-rc2 (including)
Mattermost_server Mattermost 5.8.0-rc3 (including) 5.8.0-rc3 (including)
Mattermost_server Mattermost 5.8.0-rc4 (including) 5.8.0-rc4 (including)

Potential Mitigations

References