Cyber Resilience

CVE-2024-2450

High

Published: 15 March 2024

Published
15 March 2024
Modified
13 December 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0020 42.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-2450 is a high-severity Improper Authentication (CWE-287) vulnerability in Mattermost Mattermost Server. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 42.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

crafted switch request under specific conditions.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mattermost
mattermost server
9.5.0 · 8.1.0 — 8.1.10 · 9.2.0 — 9.2.6 · 9.3.0 — 9.3.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287 CWE-306

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287 CWE-306

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

addresses: CWE-287 CWE-306

Documented IA policy and procedures require proper authentication mechanisms to be defined and followed, reducing improper authentication.

addresses: CWE-287 CWE-306

Requires adaptive authentication under specific conditions, directly strengthening authentication mechanisms against improper or insufficient authentication.

addresses: CWE-287 CWE-306

Identity providers centralize and enforce authentication mechanisms, reducing improper authentication.

addresses: CWE-287 CWE-306

Requires unique identification and authentication of organizational users, directly preventing improper authentication.

addresses: CWE-287 CWE-306

Enforces unique device identification and authentication before any connection is established, directly mitigating improper authentication weaknesses.

addresses: CWE-287 CWE-306

Directly requires implementation of compliant authentication mechanisms to cryptographic modules, preventing improper authentication.

References