CVE-2020-17063

Microsoft Office Online Spoofing Vulnerability

View on CVE.org

Published Nov 11, 2020 CVSS 3.1 · 6.8 Medium EPSS 1.6% KEV · Not listed

Description

Microsoft Office Online Spoofing Vulnerability

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Microsoft

Microsoft Office 2019

affected

Version	Status	Constraints
`19.0.0`	affected	< https://aka.ms/OfficeSecurityReleases

Microsoft

Microsoft 365 Apps for Enterprise

affected

Version	Status	Constraints
`16.0.1`	affected	< https://aka.ms/OfficeSecurityReleases

Configuration 1 [-]

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise:::
	cpe:2.3:a:microsoft:office:2019:::::-::

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-9018	Microsoft Office Online Spoofing Vulnerability

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.6% (1.578% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17063

History

No history.

Subscriptions

Microsoft 365 Apps Office

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Sep 10, 2024, 3:52 PM

Status: PUBLISHED
Assigner: microsoft
Published: Nov 11, 2020, 6:48 AM
Updated: Sep 10, 2024, 3:52 PM
Reserved: Aug 4, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:58 AM

Status: Modified
Published: Nov 11, 2020, 7:15 AM
Modified: Jun 17, 2026, 2:58 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*"], "platforms": ["32-bit Systems", "x64-based Systems"], "product": "Microsoft Office 2019", "vendor": "Microsoft", "versions": [{"lessThan": "https://aka.ms/OfficeSecurityReleases", "status": "affected", "version": "19.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*"], "platforms": ["32-bit Systems", "x64-based Systems"], "product": "Microsoft 365 Apps for Enterprise", "vendor": "Microsoft", "versions": [{"lessThan": "https://aka.ms/OfficeSecurityReleases", "status": "affected", "version": "16.0.1", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*", "matchCriteriaId": "40C15EDD-98D4-4D06-BA06-21AE0F33C72D", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:*:*", "matchCriteriaId": "C5282C83-86B8-442D-851D-B54E88E8B1F1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Office Online Spoofing Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad Online Spoofing de Microsoft Office"}], "id": "CVE-2020-17063", "lastModified": "2026-06-17T02:58:36.337", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2020-11-11T07:15:17.387", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17063"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17063"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}