CVSS 3.1 Score 4.3 of 10 (medium)


Published May 26, 2024
Updated: May 28, 2024
CWE ID 284


CVE-2024-31859 is a vulnerability that affects Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, and 8.1.x <= 8.1.12. It is categorized as CWE-284 (Improper Access Control) and has a base severity rating of MEDIUM with a base score of 4.3 in the CVSS system. The vulnerability allows a member running a playbook in an existing channel to be promoted to a channel admin without proper authorization checks being performed. The exploitability score is 2.8 out of 10, indicating a moderate level of difficulty for exploitation, and the potential danger it poses to an organization is considered low in terms of integrity impact and confidentiality impact, and none in terms of availability impact or user interaction required. Remediation steps are not mentioned in the provided information.


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