CVE-2021-34518

Microsoft Excel Remote Code Execution Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:excel:2013:sp1:::::x64:*
	cpe:2.3:a:microsoft:excel:2013:sp1:::::x86:*
	cpe:2.3:a:microsoft:excel:2013:sp1:::rt:::*
	cpe:2.3:a:microsoft:excel:2016::::::x64:
	cpe:2.3:a:microsoft:excel:2016::::::x86:
	cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1::::::

History

21 Nov 2024, 06:10

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518 - Patch, Vendor Advisory

28 Dec 2023, 23:15

Type	Values Removed	Values Added
Summary	~~Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34501.~~	Microsoft Excel Remote Code Execution Vulnerability

Information

Published : 2021-07-14 18:15

Updated : 2024-11-21 06:10

NVD link : CVE-2021-34518

Mitre link : CVE-2021-34518

CVE.ORG link : CVE-2021-34518

JSON object : View

Products Affected

microsoft

excel
office_web_apps_server

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-34518", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "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": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-07-14T18:15:12.187", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518", "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 Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota de Microsoft Excel. Este ID de CVE es diferente de CVE-2021-34501"}], "lastModified": "2024-11-21T06:10:35.387", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "48B20360-1A85-4A6A-BA03-0B62C97CCB0C"}, {"criteria": "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "E8426C4D-C00D-44C2-B072-9D600C8B9543"}, {"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:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "CD88F667-6773-4DB7-B6C3-9C7B769C0808"}, {"criteria": "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "B342EF98-B414-44D0-BAFB-FCA24294EECE"}, {"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"}