{"id":"CVE-2020-17144","aliases":["EUVD-2020-9098","GHSA-68q4-hg7f-7p9c"],"status":"published","title":"Microsoft Exchange Remote Code Execution Vulnerability","description":"Microsoft Exchange Remote Code Execution Vulnerability","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.36514,"percentile":0.98514,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-502","CWE-94"],"published":"2020-12-09T23:36:55Z","modified":"2026-06-17T02:58:45Z","kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-03"},{"source":"kev","since":"2021-11-03"}],"exploits":[{"source":"pocgithub","id":"Airboi/CVE-2020-17144-EXP","title":"Airboi/CVE-2020-17144-EXP","date":"2020-12-09","url":"https://github.com/Airboi/CVE-2020-17144-EXP"},{"source":"pocgithub","id":"zcgonvh/CVE-2020-17144","title":"zcgonvh/CVE-2020-17144","date":"2020-12-09","url":"https://github.com/zcgonvh/CVE-2020-17144"}],"products":[{"vendor":"microsoft","product":"exchange server"},{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server 2010 service pack 3 update rollup 31"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17144"},{"url":"https://github.com/advisories/GHSA-68q4-hg7f-7p9c"}],"sources":{"cve":[{"id":"CVE-2020-17144","title":"Microsoft Exchange Remote Code Execution Vulnerability","description":"Microsoft Exchange Remote Code Execution Vulnerability","status":"published","published":"2020-12-09T23:36:55Z","modified":"2026-06-09T18:07:57.165Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9098","description":"Microsoft Exchange Remote Code Execution Vulnerability","status":"published","published":"2020-12-09T23:36:55Z","modified":"2026-06-09T18:07:57Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high"}],"exploited_since":"2021-11-03","updated_at":"2026-11-02T18:20:47.241018Z"}],"ghsa":[{"id":"GHSA-68q4-hg7f-7p9c","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-2020-17117, CVE-2020-17132, CVE-2020-17141, CVE-2020-17142.","status":"published","published":"2022-05-24T17:35:55Z","modified":"2025-10-22T00:33:03Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94","CWE-502"],"updated_at":"2026-11-02T15:04:07.67458Z"}],"kev":[{"id":"CVE-2020-17144","title":"Microsoft Exchange Server Remote Code Execution Vulnerability","description":"Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.","cwes":["CWE-502"],"kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:17.050017Z"}],"nvd":[{"id":"CVE-2020-17144","description":"Microsoft Exchange Remote Code Execution Vulnerability","status":"published","published":"2020-12-10T00:15:16.12Z","modified":"2026-06-17T02:58:45.903Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:27.10541Z"}]}}