{"vulnerability": "CVE-2018-21257", "sightings": [{"uuid": "78b7200c-561a-4899-9e77-a87c1637eb64", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2018-21257", "type": "seen", "source": "https://t.me/cibsecurity/12895", "content": "ATENTION\u203c New - CVE-2018-21257\n\nAn issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for setting a channel header) via the Channel header slash command API.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-06-19T20:55:29.000000Z"}]}