High severity · published Mar 15, 2024
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…
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
8.1.0 before 8.1.10; 9.2.0 before 9.2.6; 9.3.0 before 9.3.2; 9.4.0 before 9.4.3; 9.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-2450
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-2450
Vendor Advisory
https://mattermost.com/security-updates
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