CVE-2023-1774

When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.


ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
MattermostCNA
4.2 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
Affected Products (NVD)
VendorProductVersion
mattermostmattermost_server
𝑥
< 7.1.6
mattermostmattermost_server
7.7.1
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mattermostmattermost
𝑥
≤ 7.7.1
CNA
mattermostmattermost
𝑥
≤ 7.1.5
CNA
mattermostmattermost
𝑥
< 7.8.0
CNA