CVSS 3.1 Score 4.3 of 10 (medium)


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


CVE-2024-5270 is a vulnerability affecting Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1, 9.6.x <= 9.6.1, and 8.1.x <= 8.1.12. It arises from the failure to check if the email signup configuration option is enabled when a user requests to switch from SAML to Email in Mattermost, allowing the user to switch their authentication method and potentially modify personal details that were previously non-editable through the SAML provider. The base severity of this vulnerability is rated as MEDIUM with a base score of 4.3 according to CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N vector string notation, indicating low privileges required and low integrity impact, but no confidentiality or availability impact is expected. To remediate this vulnerability, affected organizations should update their Mattermost instances to versions that have fixed this issue.


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