{"id":"CVE-2020-11500","aliases":["EUVD-2020-3853","GHSA-wcgv-3rx6-w6f9"],"status":"published","title":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption....","description":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01338,"percentile":0.71501,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2020-04-03T12:07:28Z","modified":"2026-06-17T02:50:17Z","products":[{"vendor":"zoom","product":"meetings"}],"references":[{"url":"https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/","tags":["x_refsource_MISC","x_transferred","Press/Media Coverage","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11500"},{"url":"https://github.com/advisories/GHSA-wcgv-3rx6-w6f9"}],"sources":{"cve":[{"id":"CVE-2020-11500","description":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.","status":"published","published":"2020-04-03T12:07:28Z","modified":"2024-08-04T11:35:12.45Z","updated_at":"2026-11-02T14:35:57.67317Z"}],"euvd":[{"id":"EUVD-2020-3853","description":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.","status":"published","published":"2020-04-03T12:07:28Z","modified":"2024-08-04T11:35:12Z","updated_at":"2026-11-03T03:07:46.270701Z"}],"ghsa":[{"id":"GHSA-wcgv-3rx6-w6f9","title":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption....","description":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.","status":"published","published":"2022-05-24T17:13:21Z","modified":"2023-01-29T05:01:57Z","updated_at":"2026-11-02T14:44:57.255255Z"}],"nvd":[{"id":"CVE-2020-11500","description":"Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.","status":"published","published":"2020-04-03T13:15:13.123Z","modified":"2026-06-17T02:50:17.97Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:05:57.678762Z"}]}}