CVE-2021-45555

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7900P before 1.4.2.84, R7960P before 1.4.2.84, and R8000P before 1.4.2.84.

CVSS v3 8.4 HIGH
CVSS v2.0 6.5 MEDIUM

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.7 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480	Patch Vendor Advisory
https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:32

Type	Values Removed	Values Added
References	~~() https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480 - Patch, Vendor Advisory~~	() https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480 - Patch, Vendor Advisory
CVSS	v2 : ~~6.5~~ v3 : ~~6.8~~	v2 : 6.5 v3 : 8.4

Information

Published : 2021-12-26 01:15

Updated : 2024-11-21 06:32

NVD link : CVE-2021-45555

Mitre link : CVE-2021-45555

CVE.ORG link : CVE-2021-45555

JSON object : View

Products Affected

netgear

r7900p_firmware
r7900p
r8000p_firmware
r7960p_firmware
r8000p
r7960p

CWE

CWE-77

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

{"id": "CVE-2021-45555", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.7}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}]}, "published": "2021-12-26T01:15:15.613", "references": [{"url": "https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://kb.netgear.com/000064497/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0480", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-77"}]}], "descriptions": [{"lang": "en", "value": "Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7900P before 1.4.2.84, R7960P before 1.4.2.84, and R8000P before 1.4.2.84."}, {"lang": "es", "value": "Determinados dispositivos NETGEAR est\u00e1n afectados por una inyecci\u00f3n de comandos por parte de un usuario autenticado. Esto afecta a R7900P versiones anteriores a 1.4.2.84, a R7960P versiones anteriores a 1.4.2.84 y a R8000P versiones anteriores a 1.4.2.84"}], "lastModified": "2024-11-21T06:32:30.477", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA344C08-94F1-47F8-9607-3D854B890E19", "versionEndExcluding": "1.4.2.84"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F3D6A70D-66AF-4064-9F1B-4358D4B1F016"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33B2293C-09AD-4B5A-B2A0-923E2B9923AA", "versionEndExcluding": "1.4.2.84"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "091CEDB5-0069-4253-86D8-B9FE17CB9F24"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4905D866-2326-487F-AAA5-96ABA0DBD56E", "versionEndExcluding": "1.4.2.84"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F7EF872D-2537-4FEB-8799-499FC9D44339"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}