CVE-2021-43228

SymCrypt Denial of Service Vulnerability

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43228	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10:20h2::::::arm64:
	cpe:2.3:o:microsoft:windows_10:20h2::::::x64:
	cpe:2.3:o:microsoft:windows_10:20h2::::::x86:
	cpe:2.3:o:microsoft:windows_10:21h1::::::arm64:
	cpe:2.3:o:microsoft:windows_10:21h1::::::x64:
	cpe:2.3:o:microsoft:windows_10:21h1::::::x86:
	cpe:2.3:o:microsoft:windows_10:21h2::::::arm64:
	cpe:2.3:o:microsoft:windows_10:21h2::::::x64:
	cpe:2.3:o:microsoft:windows_10:21h2::::::x86:
	cpe:2.3:o:microsoft:windows_10:1909::::::arm64:
	cpe:2.3:o:microsoft:windows_10:1909::::::x64:
	cpe:2.3:o:microsoft:windows_10:1909::::::x86:
	cpe:2.3:o:microsoft:windows_10:2004::::::arm64:
	cpe:2.3:o:microsoft:windows_10:2004::::::x64:
	cpe:2.3:o:microsoft:windows_10:2004::::::x86:
	cpe:2.3:o:microsoft:windows_11:-::::::arm64:
	cpe:2.3:o:microsoft:windows_11:-::::::x64:
	cpe:2.3:o:microsoft:windows_server:20h2:::::::*
	cpe:2.3:o:microsoft:windows_server:2022:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:2004:::::::*
	cpe:2.3:o:microsoft:windows_server_2019:-:::::::*

History

No history.

Information

Published : 2021-12-15 15:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-43228

Mitre link : CVE-2021-43228

CVE.ORG link : CVE-2021-43228

JSON object : View

Products Affected

microsoft

windows_server_2016
windows_10
windows_server_2019
windows_server
windows_11

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-43228", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-12-15T15:15:09.817", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43228", "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": "SymCrypt Denial of Service Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Denegaci\u00f3n de Servicio de SymCrypt"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "610B33F9-0309-4CF7-B7E4-5152D9B2FFE4"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "21074553-EDF2-468D-8E79-C39851B5BC79"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "4E62F9CB-D1B6-4B4D-BCCD-7F4D36A73B4D"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "49A4BBDA-0389-4171-AA49-6837F7DF4454"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "F8C238FA-B20F-40A5-B861-A8295858F4BE"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "56513BCA-A9F5-4112-BDE6-77E9B8D2677E"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "665EA912-D724-41EB-86A9-24EB4FE87B54"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "77E07B96-EAAA-4DD6-9172-0DE98A36726F"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "B846A736-E77C-4665-B28B-4E511880D575"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "31622391-A67E-4E2A-A855-1316B6E38630"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "61F0792D-7587-4297-8EE7-D4DC3A30EE84"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "7649042B-4430-4BD9-B82F-984A2831A651"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "E6132F03-DA28-4830-A69F-C2154C7FD96C"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "09D9A720-8D3C-4699-AC57-CB4531E5BFEB"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "BF67A7F7-466F-467D-8D2B-3273714D43C3"}, {"criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "B9F64296-66BF-4F1D-A11C-0C44C347E2AC"}, {"criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "5D7F7DDB-440E-42CD-82F4-B2C13F3CC462"}, {"criteria": "cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1EAF6DBA-6E3A-4854-BFBF-B5DC36CE5929"}, {"criteria": "cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BE257836-4F4D-4352-8293-B9CAD34F8794"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B60D940-80C7-49F0-8F4E-3F99AC15FA82"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}