Account takeover via SAML misverify in Mattermost <=9.4.3
CVE-2024-2450 Published on March 15, 2024
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.
Vulnerability Analysis
CVE-2024-2450 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2024-2450 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2024-2450
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Affected Versions
Mattermost:- Version 9.5.0 is affected.
- Version 9.4.0, <= 9.4.2 is affected.
- Version 9.3.0, <= 9.3.1 is affected.
- Version 9.2.0, <= 9.2.5 is affected.
- Version 8.1.0, <= 8.1.9 is affected.
- Version 9.6.0 is unaffected.
- Version 9.4.3 is unaffected.
- Version 9.5.1 is unaffected.
- Version 9.3.2 is unaffected.
- Version 9.2.6 is unaffected.
- Version 8.1.10 is unaffected.
- Version 9.5.0 and below 9.6.0 is affected.
- Version 9.4.0 and below 9.4.3 is affected.
- Version 9.3.0 and below 9.3.2 is affected.
- Version 9.2.0 and below 9.2.6 is affected.
- Version 8.1.0 and below 8.1.10 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.