CVE-2021-20740

Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC Storage M Series NAS Gateway Nh4a/Nh8a versions prior to FOS 5.5.3-08(NEC2.5.4a) and Nh4b/Nh8b, Nh4c/Nh8c versions prior to FOS 6.4.3-08(NEC3.4.2) allow remote authenticated attackers to execute arbitrary OS commands with root privileges via unspecified vectors.

CVSS v3.0 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.hitachi.co.jp/products/it/storage-solutions/global/sec_info/2021/2021_306.html	Vendor Advisory
https://jpn.nec.com/security-info/secinfo/nv21-011.html	Vendor Advisory
https://jvn.jp/en/jp/JVN21298724/index.html	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hitachi:virtual_file_platform:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:hitachi:virtual_file_platform:*:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:nec:nas_gateway_nh4a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:nas_gateway_nh4a:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:nec:nas_gateway_nh8a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:nas_gateway_nh8a:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:nec:nas_gateway_nh4b_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:nas_gateway_nh4b:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:nec:nas_gateway_nh8b_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:nas_gateway_nh8b:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:nec:nas_gateway_nh4c_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:nas_gateway_nh4c:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:nec:nas_gateway_nh8c_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:nas_gateway_nh8c:-:*:*:*:*:*:*:*

Information

Published : 2021-06-27 18:15

Updated : 2021-07-06 07:32

NVD link : CVE-2021-20740

Mitre link : CVE-2021-20740

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Products Affected

nec

nas_gateway_nh4a
nas_gateway_nh8b_firmware
nas_gateway_nh4c
nas_gateway_nh4a_firmware
nas_gateway_nh4c_firmware
nas_gateway_nh8b
nas_gateway_nh8a_firmware
nas_gateway_nh4b_firmware
nas_gateway_nh4b
nas_gateway_nh8c_firmware
nas_gateway_nh8a
nas_gateway_nh8c

hitachi

virtual_file_platform

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allow remote authenticated attackers to execute arbitrary OS commands with root privileges via unspecified vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-78"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-20740", "ASSIGNER": "vultures@jpcert.or.jp"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": 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8.8 /10