CVE-2021-43255

Microsoft Office Trust Center Spoofing 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 NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43255	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x64:*
	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x86:*
	cpe:2.3:a:microsoft:office:2013:sp1:::::x64:*
	cpe:2.3:a:microsoft:office:2013:sp1:::::x86:*
	cpe:2.3:a:microsoft:office:2013_rt:sp1::::::
	cpe:2.3:a:microsoft:office:2016::::::x64:
	cpe:2.3:a:microsoft:office:2016::::::x86:
	cpe:2.3:a:microsoft:office:2019::::::x64:
	cpe:2.3:a:microsoft:office:2019::::::x86:
	cpe:2.3:a:microsoft:office:2021::::ltsc::x64:*
	cpe:2.3:a:microsoft:office:2021::::ltsc::x86:*

History

No history.

Information

Published : 2021-12-15 15:15

Updated : 2022-01-01 17:48

NVD link : CVE-2021-43255

Mitre link : CVE-2021-43255

CVE.ORG link : CVE-2021-43255

JSON object : View

Products Affected

microsoft

365_apps
office

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-43255", "cveTags": [], "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:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "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:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"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:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-12-15T15:15:10.687", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43255", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Office Trust Center Spoofing Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Suplantaci\u00f3n de Identidad de Microsoft Office Trust Center"}], "lastModified": "2022-01-01T17:48:50.087", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*", "vulnerable": true, "matchCriteriaId": "3259EBFE-AE2D-48B8-BE9A-E22BBDB31378"}, {"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*", "vulnerable": true, "matchCriteriaId": "CD25F492-9272-4836-832C-8439EBE64CCF"}, {"criteria": "cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "24DD7E07-4BB1-4914-9CDE-5A27A9A3920E"}, {"criteria": "cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "ADA0E394-3B5E-4C34-955B-EAB645A37518"}, {"criteria": "cpe:2.3:a:microsoft:office:2013_rt:sp1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30C744C1-EACB-4D91-A72B-468842308AA3"}, {"criteria": "cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "72324216-4EB3-4243-A007-FEF3133C7DF9"}, {"criteria": "cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "0FBB0E61-7997-4F26-9C07-54912D3F1C10"}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "CF5DDD09-902E-4881-98D0-CB896333B4AA"}, {"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "26A3B226-5D7C-4556-9350-5222DC8EFC2C"}, {"criteria": "cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:*", "vulnerable": true, "matchCriteriaId": "1AC0C23F-FC55-4DA1-8527-EB4432038FB0"}, {"criteria": "cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:*", "vulnerable": true, "matchCriteriaId": "A719B461-7869-46D0-9300-D0A348DC26A5"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}