CVE-2021-28456

Microsoft Excel Information Disclosure Vulnerability

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise:::
	cpe:2.3:a:microsoft:excel:2010:sp2::::::
	cpe:2.3:a:microsoft:excel:2013:sp1:::-:::*
	cpe:2.3:a:microsoft:excel:2013:sp1:::rt:::*
	cpe:2.3:a:microsoft:excel:2016:::::::*
	cpe:2.3:a:microsoft:office:2019:::::-::
	cpe:2.3:a:microsoft:office:2019:::::macos::
	cpe:2.3:a:microsoft:office_online_server:-:::::::*
	cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1::::::

History

21 Nov 2024, 05:59

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456 - Patch, Vendor Advisory

Information

Published : 2021-04-13 20:15

Updated : 2024-11-21 05:59

NVD link : CVE-2021-28456

Mitre link : CVE-2021-28456

CVE.ORG link : CVE-2021-28456

JSON object : View

Products Affected

microsoft

office_online_server
365_apps
excel
office_web_apps_server
office

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-28456", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-04-13T20:15:20.470", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Excel Information Disclosure Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Divulgaci\u00f3n de Informaci\u00f3n de Microsoft Excel"}], "lastModified": "2024-11-21T05:59:42.703", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "40C15EDD-98D4-4D06-BA06-21AE0F33C72D"}, {"criteria": "cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E36D981E-E56D-46C7-9486-FC691A75C497"}, {"criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "BF89FEC4-936E-4226-94F9-2BD0CB0CA09F"}, {"criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*", "vulnerable": true, "matchCriteriaId": "3A062169-527E-43DA-8AE0-FD4FBA1B2A9B"}, {"criteria": "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "09BF0981-749E-470B-A7AC-95AD087797EF"}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:*:*", "vulnerable": true, "matchCriteriaId": "C5282C83-86B8-442D-851D-B54E88E8B1F1"}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*", "vulnerable": true, "matchCriteriaId": "40961B9E-80B6-42E0-A876-58B3CE056E4E"}, {"criteria": "cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E98AE986-FA31-4301-8025-E8915BA4AC5E"}, {"criteria": "cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "941B16A2-931D-4031-A016-5EA60E87BE20"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}