CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

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 HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://security.netapp.com/advisory/ntap-20220223-0001/	Third Party Advisory
https://www.insyde.com/security-pledge	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-01-05 23:15

Updated : 2024-02-28 18:48

NVD link : CVE-2020-5956

Mitre link : CVE-2020-5956

CVE.ORG link : CVE-2020-5956

JSON object : View

Products Affected

insyde

insydeh2o

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2020-5956", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "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:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-01-05T23:15:07.920", "references": [{"url": "https://security.netapp.com/advisory/ntap-20220223-0001/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.insyde.com/security-pledge", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer."}, {"lang": "es", "value": "Se ha detectado un problema en SdLegacySmm en InsydeH2O con el kernel 5.1 anteriores a 05.15.11, 5.2 anteriores a 05.25.11, 5.3 anteriores a 05.34.11 y 5.4 anteriores a 05.42.11. El manejador SMI de software permite una entrada externa no confiable porque no verifica el CommBuffer."}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10B74A34-4C41-4BD1-9968-EC41A5EED700", "versionEndExcluding": "5.25.11", "versionStartIncluding": "5.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "679AD9B0-8D83-4D27-B0FF-E18160AA3FE0", "versionEndExcluding": "05.15.11", "versionStartIncluding": "5.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF03602D-9899-4746-8C24-2145F67729AD", "versionEndExcluding": "05.34.11", "versionStartIncluding": "5.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C97D019-6B4F-452B-B472-8197CAA18F53", "versionEndExcluding": "05.42.11", "versionStartIncluding": "5.4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}