{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/50634?format=json","vulnerability_id":"VCID-9bue-wtjh-5ycw","summary":"Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.","aliases":[{"alias":"CVE-2024-6428"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-6428","reference_id":"","reference_type":"","scores":[{"value":"0.00064","scoring_system":"epss","scoring_elements":"0.20174","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-6428"},{"reference_url":"https://mattermost.com/security-updates","reference_id":"security-updates","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-07-03T13:14:16Z/"}],"url":"https://mattermost.com/security-updates"}],"weaknesses":[{"cwe_id":284,"name":"Improper Access Control","description":"The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor."}],"exploits":[],"severity_range_score":"5.3 - 5.3","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-9bue-wtjh-5ycw"}