CVE-2021-20731

WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allow an attacker to execute arbitrary OS commands with root privileges via unspecified vectors.

CVSS v3 8.8 HIGH
CVSS v2.0 8.3 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.3^/10

CVSS v2.0 : HIGH

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

Exploitability : 6.5 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://jvn.jp/en/vu/JVNVU92862829/index.html	Third Party Advisory
https://www.buffalo.jp/news/detail/20210531-01.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:buffalo:wsr-1166dhp4_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:buffalo:wsr-1166dhp4:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:buffalo:wsr-1166dhp3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:buffalo:wsr-1166dhp3:-:*:*:*:*:*:*:*

History

16 Jun 2021, 16:30

Type	Values Removed	Values Added
CPE		cpe:2.3:o:buffalo:wsr-1166dhp4_firmware:::::::: cpe:2.3:h:buffalo:wsr-1166dhp3:-:::::::* cpe:2.3:o:buffalo:wsr-1166dhp3_firmware:::::::: cpe:2.3:h:buffalo:wsr-1166dhp4:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 8.3 v3 : 8.8
References	~~(MISC) https://jvn.jp/en/vu/JVNVU92862829/index.html -~~	(MISC) https://jvn.jp/en/vu/JVNVU92862829/index.html - Third Party Advisory
References	~~(MISC) https://www.buffalo.jp/news/detail/20210531-01.html -~~	(MISC) https://www.buffalo.jp/news/detail/20210531-01.html - Vendor Advisory
CWE		CWE-78

09 Jun 2021, 02:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-06-09 02:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-20731

Mitre link : CVE-2021-20731

CVE.ORG link : CVE-2021-20731

JSON object : View

Products Affected

buffalo

wsr-1166dhp4
wsr-1166dhp4_firmware
wsr-1166dhp3
wsr-1166dhp3_firmware

CWE

CWE-78

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

{"id": "CVE-2021-20731", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 8.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-06-09T02:15:06.787", "references": [{"url": "https://jvn.jp/en/vu/JVNVU92862829/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.buffalo.jp/news/detail/20210531-01.html", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allow an attacker to execute arbitrary OS commands with root privileges via unspecified vectors."}, {"lang": "es", "value": "En versiones de firmware WSR-1166DHP3 Ver.1.16 y anteriores y versiones de firmware WSR-1166DHP4 Ver.1.02 y anteriores, permiten a un atacante ejecutar comandos de SO arbitrarios con privilegios de root por medio de vectores no especificados"}], "lastModified": "2021-06-16T16:30:14.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:buffalo:wsr-1166dhp4_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1EF7C3C8-2942-4854-9743-2CB6BAA195C6", "versionEndIncluding": "1.02"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:buffalo:wsr-1166dhp4:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "538CF9D0-FA27-489F-B231-852ADFDE88BD"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:buffalo:wsr-1166dhp3_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9850EF9F-09F1-434A-8986-DA980B1B354B", "versionEndIncluding": "1.16"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:buffalo:wsr-1166dhp3:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "4CAE27A4-80A3-4BB1-9D4D-C6528133B8D6"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vultures@jpcert.or.jp"}