CVE-2020-17144

Microsoft Exchange Remote Code Execution Vulnerability

CVSS v3 8.4 HIGH
CVSS v2.0 6.0 MEDIUM

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.7 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144	Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup_31:*:*:*:*:*:*

History

22 Oct 2025, 00:17

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144 -

21 Oct 2025, 20:17

Type	Values Removed	Values Added
References	~~{'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}~~

21 Oct 2025, 19:18

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144 -

29 Aug 2025, 12:58

Type	Values Removed	Values Added
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144 - Patch, Vendor Advisory

28 Aug 2025, 23:15

Type	Values Removed	Values Added
References		() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144 -

Information

Published : 2020-12-10 00:15

Updated : 2025-10-22 00:17

NVD link : CVE-2020-17144

Mitre link : CVE-2020-17144

CVE.ORG link : CVE-2020-17144

JSON object : View

Products Affected

microsoft

exchange_server

CWE

CWE-502

Deserialization of Untrusted Data

{"id": "CVE-2020-17144", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.7}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2020-12-10T00:15:16.120", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Exchange Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota en Microsoft Exchange Este ID de CVE es diferente de CVE-2020-17117, CVE-2020-17132, CVE-2020-17141, CVE-2020-17142"}], "lastModified": "2025-10-22T00:17:00.210", "cisaActionDue": "2022-05-03", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup_31:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3DCE4094-9957-42E5-990F-8BC7822AB8F9"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft Exchange Server Remote Code Execution Vulnerability"}