{"id":"CVE-2020-36363","aliases":["EUVD-2020-23900","GHSA-mwmh-v67h-98jp"],"status":"published","title":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and...","description":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00706,"percentile":0.53874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2021-08-12T21:13:30Z","modified":"2026-06-17T03:15:20Z","products":[{"vendor":"amazon","product":"amazon_cloudfront"}],"references":[{"url":"https://stackoverflow.com/questions/62071604","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://aws.amazon.com/about-aws/whats-new/2020/07/cloudfront-tls-security-policy/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36363"},{"url":"https://github.com/advisories/GHSA-mwmh-v67h-98jp"}],"sources":{"cve":[{"id":"CVE-2020-36363","description":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.","status":"published","published":"2021-08-12T21:13:30Z","modified":"2024-08-04T17:23:10.445Z","updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-23900","description":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.","status":"published","published":"2021-08-12T21:13:30Z","modified":"2024-08-04T17:23:10Z","updated_at":"2026-11-03T03:07:03.484914Z"}],"ghsa":[{"id":"GHSA-mwmh-v67h-98jp","title":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and...","description":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.","status":"published","published":"2022-05-24T19:11:09Z","modified":"2023-01-30T05:01:31Z","cwes":["CWE-327"],"updated_at":"2026-11-02T14:46:25.989719Z"}],"nvd":[{"id":"CVE-2020-36363","description":"Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.","status":"published","published":"2021-08-12T22:15:07.64Z","modified":"2026-06-17T03:15:20.133Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}