{"id":"CVE-2020-9823","aliases":["EUVD-2020-30602","GHSA-4ff7-c847-2h7q"],"status":"published","title":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5....","description":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00811,"percentile":0.57212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-06-09T16:13:00Z","modified":"2026-06-17T03:28:38Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/HT211168","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9823"},{"url":"https://github.com/advisories/GHSA-4ff7-c847-2h7q"}],"sources":{"cve":[{"id":"CVE-2020-9823","description":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state.","status":"published","published":"2020-06-09T16:13:00Z","modified":"2024-08-04T10:43:05.23Z","updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-30602","description":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state.","status":"published","published":"2020-06-09T16:13:00Z","modified":"2024-08-04T10:43:05Z","updated_at":"2026-11-03T03:07:52.605769Z"}],"ghsa":[{"id":"GHSA-4ff7-c847-2h7q","title":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5....","description":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state.","status":"published","published":"2022-05-24T17:19:43Z","modified":"2023-02-02T05:01:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:51:08.679679Z"}],"nvd":[{"id":"CVE-2020-9823","description":"This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state.","status":"published","published":"2020-06-09T17:15:13.677Z","modified":"2026-06-17T03:28:38.24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}