{"id":"CVE-2021-40457","aliases":["EUVD-2021-27634","GHSA-q8m2-7cfj-gxf6"],"status":"published","title":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","description":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:F/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01633,"percentile":0.76594,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-13T00:26:55Z","modified":"2026-06-17T04:06:57Z","products":[{"vendor":"microsoft","product":"dynamics_365"},{"vendor":"microsoft","product":"microsoft dynamics 365 customer engagement v9.0"},{"vendor":"microsoft","product":"microsoft dynamics 365 customer engagement v9.1"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40457","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40457"},{"url":"https://github.com/advisories/GHSA-q8m2-7cfj-gxf6"}],"sources":{"cve":[{"id":"CVE-2021-40457","title":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","description":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","status":"published","published":"2021-10-13T00:26:55Z","modified":"2024-08-04T02:44:10.303Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:F/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27634","description":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","status":"published","published":"2021-10-13T00:26:55Z","modified":"2024-08-04T02:44:10Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:F/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-q8m2-7cfj-gxf6","title":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","description":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","status":"published","published":"2022-05-24T19:17:32Z","modified":"2024-01-06T05:06:09Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:55:20.878476Z"}],"nvd":[{"id":"CVE-2021-40457","description":"Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability","status":"published","published":"2021-10-13T01:15:09.937Z","modified":"2026-06-17T04:06:57.49Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}