CVE-2020-5319

Dell EMC Unity, Dell EMC Unity XT, and Dell EMC UnityVSA versions prior to 5.0.2.0.5.009 contain a Denial of Service vulnerability on NAS Server SSH implementation that is used to provide SFTP service on a NAS server. A remote unauthenticated attacker may potentially exploit this vulnerability and cause a Denial of Service (Storage Processor Panic) by sending an out of order SSH protocol sequence.

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://www.dell.com/support/security/en-us/details/540336/DSA-2020-019-Dell-EMC-Unity-Family-Dell-EMC-Unity-XT-Family-Denial-of-Service-Vulnerability	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:dell:emc_unity_operating_environment::::::::
	cpe:2.3:a:dell:emc_unity_xt_operating_environment::::::::
	cpe:2.3:a:dell:emc_unityvsa_operating_environment::::::::

History

No history.

Information

Published : 2020-02-06 18:15

Updated : 2023-12-10 13:13

NVD link : CVE-2020-5319

Mitre link : CVE-2020-5319

CVE.ORG link : CVE-2020-5319

JSON object : View

Products Affected

dell

emc_unity_operating_environment
emc_unityvsa_operating_environment
emc_unity_xt_operating_environment

CWE

CWE-129

Improper Validation of Array Index

{"id": "CVE-2020-5319", "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": "security_alert@emc.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": "2020-02-06T18:15:13.887", "references": [{"url": "https://www.dell.com/support/security/en-us/details/540336/DSA-2020-019-Dell-EMC-Unity-Family-Dell-EMC-Unity-XT-Family-Denial-of-Service-Vulnerability", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-129"}]}, {"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-129"}]}], "descriptions": [{"lang": "en", "value": "Dell EMC Unity, Dell EMC Unity XT, and Dell EMC UnityVSA versions prior to 5.0.2.0.5.009 contain a Denial of Service vulnerability on NAS Server SSH implementation that is used to provide SFTP service on a NAS server. A remote unauthenticated attacker may potentially exploit this vulnerability and cause a Denial of Service (Storage Processor Panic) by sending an out of order SSH protocol sequence."}, {"lang": "es", "value": "Dell EMC Unity, Dell EMC Unity XT, and Dell EMC UnityVSA versiones anteriores a 5.0.2.0.5.009, presentan una vulnerabilidad de Denegaci\u00f3n de Servicio en la implementaci\u00f3n SSH de NAS Server que es usado para proporcionar el servicio SFTP en un servidor NAS. Un atacante remoto no autenticado puede explotar potencialmente esta vulnerabilidad y causar una Denegaci\u00f3n de Servicio (P\u00e1nico en Procesador de Almacenamiento) mediante el env\u00edo de una secuencia de protocolo SSH fuera de orden."}], "lastModified": "2020-02-12T17:39:37.613", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A9AF055-C271-4890-B409-CB5A9A73E6F1", "versionEndExcluding": "5.0.2.0.5.009"}, {"criteria": "cpe:2.3:a:dell:emc_unity_xt_operating_environment:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A378F05-7F5D-4653-97F1-63DCB8F90EAF", "versionEndExcluding": "5.0.2.0.5.009"}, {"criteria": "cpe:2.3:a:dell:emc_unityvsa_operating_environment:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3A6E8884-1DAC-4E5D-9BA9-5D89791691DB", "versionEndExcluding": "5.0.2.0.5.009"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}