{"id":"CVE-2020-17117","aliases":["EUVD-2020-9072","GHSA-h8vr-6vfm-c62r"],"status":"published","title":"Microsoft Exchange Remote Code Execution Vulnerability","description":"Microsoft Exchange Remote Code Execution Vulnerability","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.48871,"percentile":0.98895,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-12-09T23:36:43Z","modified":"2026-06-17T02:58:42Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server 2013 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 17"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 18"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 6"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 7"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17117","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17117","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17117"},{"url":"https://github.com/advisories/GHSA-h8vr-6vfm-c62r"}],"sources":{"cve":[{"id":"CVE-2020-17117","title":"Microsoft Exchange Remote Code Execution Vulnerability","description":"Microsoft Exchange Remote Code Execution Vulnerability","status":"published","published":"2020-12-09T23:36:43Z","modified":"2026-06-09T18:07:48.8Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9072","description":"Microsoft Exchange Remote Code Execution Vulnerability","status":"published","published":"2020-12-09T23:36:43Z","modified":"2026-06-09T18:07:48Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:20:47.241018Z"}],"ghsa":[{"id":"GHSA-h8vr-6vfm-c62r","title":", aka 'Microsoft Exchange Remote Code Execution Vulnerability'. This CVE ID is unique from CVE...","description":", aka 'Microsoft Exchange Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-17132, CVE-2020-17141, CVE-2020-17142, CVE-2020-17144.","status":"published","published":"2022-05-24T17:35:52Z","modified":"2025-08-29T00:32:15Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:03:27.292795Z"}],"nvd":[{"id":"CVE-2020-17117","description":"Microsoft Exchange Remote Code Execution Vulnerability","status":"published","published":"2020-12-10T00:15:14.497Z","modified":"2026-06-17T02:58:42.63Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:27.10541Z"}]}}