{"history":[{"alert":0,"cve":"CVE-2020-17144","id":21942,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.36514, \"percentile\": 0.98515}"},{"alert":0,"cve":"CVE-2020-17144","id":19560,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.36514, \"percentile\": 0.98506}"},{"alert":0,"cve":"CVE-2020-17144","id":17526,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.36514, \"percentile\": 0.98504}"},{"alert":0,"cve":"CVE-2020-17144","id":15590,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.36514, \"percentile\": 0.98503}"},{"alert":0,"cve":"CVE-2020-17144","id":13568,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.36514, \"percentile\": 0.98502}"},{"alert":0,"cve":"CVE-2020-17144","id":11350,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.36514, \"percentile\": 0.98501}"},{"alert":1,"cve":"CVE-2020-17144","id":9392,"kind":"cna","observed_at":1793938800,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-04T13:53:17.036Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2020-17144\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2024-01-05T21:03:22.222783Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2021-11-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-502\", \"description\": \"CWE-502 Deserialization of Untrusted Data\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-21T23:35:31.745Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2021-11-03T00:00:00.000Z\", \"value\": \"CVE-2020-17144 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"publication\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:microsoft:exchange_server:*:sp3_rollup_31:*:*:*:*:*:*\", \"versionEndExcluding\": \"publication\", \"versionStartIncluding\": \"0\", \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}]}], \"datePublic\": \"2020-12-08T08:00:00.000Z\", \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Microsoft Exchange Remote Code Execution Vulnerability\"}], \"metrics\": [{\"cvssV3_1\": {\"baseScore\": 8.4, \"baseSeverity\": \"HIGH\", \"vectorString\": \"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\", \"version\": \"3.1\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en-US\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"description\": \"Remote Code Execution\", \"lang\": \"en-US\", \"type\": \"Impact\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-06-09T18:07:57.165Z\", \"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\"}, \"references\": [{\"name\": \"Microsoft Exchange Remote Code Execution Vulnerability\", \"tags\": [\"vendor-advisory\", \"patch\"], \"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144\"}], \"title\": \"Microsoft Exchange Remote Code Execution Vulnerability\"}}, \"cveMetadata\": {\"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"assignerShortName\": \"microsoft\", \"cveId\": \"CVE-2020-17144\", \"datePublished\": \"2020-12-09T23:36:55.000Z\", \"dateReserved\": \"2020-08-04T00:00:00.000Z\", \"dateUpdated\": \"2026-06-09T18:07:57.165Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2020-17144","id":9096,"kind":"epss","observed_at":1793895600,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.36514, \"percentile\": 0.98499}"},{"alert":0,"cve":"CVE-2020-17144","id":6884,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.36514, \"percentile\": 0.98498}"},{"alert":0,"cve":"CVE-2020-17144","id":4661,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.36514, \"percentile\": 0.98495}"},{"alert":0,"cve":"CVE-2020-17144","id":2443,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.36514, \"percentile\": 0.98493}"},{"alert":1,"cve":"CVE-2020-17144","id":1620,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2020-17144\", \"cwes\": [\"CWE-502\"], \"dateAdded\": \"2021-11-03\", \"dueDate\": \"2022-05-03\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2020-17144\", \"product\": \"Exchange Server\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.\", \"vendorProject\": \"Microsoft\", \"vulnerabilityName\": \"Microsoft Exchange Server Remote Code Execution Vulnerability\"}"}],"record":{"affected":[{"product":"Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"0","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-04T13:53:17.036Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144"}],"title":"CVE Program Container"},{"metrics":[{"other":{"content":{"id":"CVE-2020-17144","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2024-01-05T21:03:22.222783Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2021-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-21T23:35:31.745Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144"}],"timeline":[{"lang":"en","time":"2021-11-03T00:00:00.000Z","value":"CVE-2020-17144 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:microsoft:exchange_server:*:sp3_rollup_31:*:*:*:*:*:*","versionEndExcluding":"publication","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"datePublic":"2020-12-08T08:00:00.000Z","descriptions":[{"lang":"en-US","value":"Microsoft Exchange Remote Code Execution Vulnerability"}],"metrics":[{"cvssV3_1":{"baseScore":8.4,"baseSeverity":"HIGH","vectorString":"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","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"description":"Remote Code Execution","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"dateUpdated":"2026-06-09T18:07:57.165Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"Microsoft Exchange Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144"}],"title":"Microsoft Exchange Remote Code Execution Vulnerability"}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2020-17144","datePublished":"2020-12-09T23:36:55.000Z","dateReserved":"2020-08-04T00:00:00.000Z","dateUpdated":"2026-06-09T18:07:57.165Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1793938800,"cve":"CVE-2020-17144","description":"Microsoft Exchange Remote Code Execution Vulnerability","epss":{"date":"2026-11-12","epss":0.36514,"percentile":0.98515},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2020-17144","cwes":["CWE-502"],"dateAdded":"2021-11-03","dueDate":"2022-05-03","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-17144","product":"Exchange Server","requiredAction":"Apply updates per vendor instructions.","shortDescription":"Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.","vendorProject":"Microsoft","vulnerabilityName":"Microsoft Exchange Server Remote Code Execution Vulnerability"},"kev_checked":1794522003,"products":"Microsoft Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31","references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144"],"score":{"baseScore":8.4,"baseSeverity":"HIGH","provider":"microsoft","vectorString":"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","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Microsoft Exchange Remote Code Execution Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}