{"id":"BIT-mattermost-2021-37863","details":"Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.","aliases":["CVE-2021-37863"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T11:04:59.804Z","database_specific":{"cpes":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://hackerone.com/reports/1253732"},{"type":"WEB","url":"https://mattermost.com/security-updates/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37863"}],"affected":[{"package":{"name":"mattermost","ecosystem":"Bitnami","purl":"pkg:bitnami/mattermost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.0.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mattermost/BIT-mattermost-2021-37863.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.7.3"}