CVE-2024-2450

Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request under specific conditions.

ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
MattermostCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
mattermostmattermost
9.6.0 <
𝑥
< 9.6.0
mattermostmattermost
9.4.3 <
𝑥
< 9.4.3
mattermostmattermost
9.3.2 <
𝑥
< 9.3.2
mattermostmattermost
9.2.6 <
𝑥
< 9.2.6
mattermostmattermost
8.1.10 <
𝑥
< 8.1.10
mattermostmattermost_server
8.1.0 ≤
𝑥
< 8.1.10
mattermostmattermost_server
9.2.0 ≤
𝑥
< 9.2.6
mattermostmattermost_server
9.3.0 ≤
𝑥
< 9.3.2
mattermostmattermost_server
9.4.0 ≤
𝑥
< 9.4.3
mattermostmattermost_server
9.5.0
𝑥
= Vulnerable software versions