{"id":"CVE-2022-28758","aliases":["EUVD-2022-33197","GHSA-4m4g-fwv8-47j2"],"status":"published","title":"Zoom On-Premise Deployments: Improper Access Control","description":"Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00694,"percentile":0.53233,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2022-09-16T20:13:38Z","modified":"2026-06-17T04:38:58Z","products":[{"vendor":"zoom","product":"zoom_on-premise_meeting_connector_mmr"},{"vendor":"zoom video communications inc","product":"zoom on-premise meeting connector mmr"}],"references":[{"url":"https://explore.zoom.us/en/trust/security/security-bulletin/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-28758"},{"url":"https://github.com/advisories/GHSA-4m4g-fwv8-47j2"}],"sources":{"cve":[{"id":"CVE-2022-28758","title":"Zoom On-Premise Deployments: Improper Access Control","description":"Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.","status":"published","published":"2022-09-16T20:13:38.934Z","modified":"2024-09-17T00:16:32.793Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:34:38.922686Z"}],"euvd":[{"id":"EUVD-2022-33197","description":"Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.","status":"published","published":"2022-09-16T20:13:38Z","modified":"2024-09-17T00:16:32Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-03T00:29:00.656249Z"}],"ghsa":[{"id":"GHSA-4m4g-fwv8-47j2","title":"Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access...","description":"Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.","status":"published","published":"2022-09-17T00:00:30Z","modified":"2023-01-30T05:03:36Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T14:46:52.374347Z"}],"nvd":[{"id":"CVE-2022-28758","description":"Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.","status":"published","published":"2022-09-16T22:15:10.487Z","modified":"2026-06-17T04:38:58.6Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:07:28.118799Z"}]}}