CVE-2023-4478

Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
MattermostCNA
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
Affected Products (NVD)
VendorProductVersion
mattermostmattermost_server
𝑥
< 7.8.9
mattermostmattermost_server
7.9.0 ≤
𝑥
< 7.10.5
mattermostmattermost_server
8.0.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mattermostmattermost
𝑥
≤ 7.8.8
CNA
mattermostmattermost
𝑥
≤ 7.10.4
CNA
mattermostmattermost
8.0.0
CNA
Common Weakness Enumeration
References
https://mattermost.com/security-updates
https://mattermost.com/security-updates