CVE-2021-20637

Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://jvn.jp/en/jp/JVN96783542/index.html	Third Party Advisory
https://www.elecom.co.jp/news/security/20210126-01/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:logitech:lan-w300n\/pr5b_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:logitech:lan-w300n\/pr5b:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-02-12 07:15

Updated : 2024-02-28 18:08

NVD link : CVE-2021-20637

Mitre link : CVE-2021-20637

CVE.ORG link : CVE-2021-20637

JSON object : View

Products Affected

logitech

lan-w300n\/pr5b_firmware
lan-w300n\/pr5b

CWE

NVD-CWE-Other

{"id": "CVE-2021-20637", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-02-12T07:15:14.590", "references": [{"url": "https://jvn.jp/en/jp/JVN96783542/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.elecom.co.jp/news/security/20210126-01/", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL."}, {"lang": "es", "value": "Una comprobaci\u00f3n inapropiada o manejo de condiciones excepcionales en LOGITEC LAN-W300N/PR5B, permite a un atacante remoto causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) al enviar una URL especialmente dise\u00f1ada"}], "lastModified": "2022-05-03T16:04:40.443", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:logitech:lan-w300n\\/pr5b_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8390BE37-91F5-4B1B-B121-BF6147A79836"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:logitech:lan-w300n\\/pr5b:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "4DC81E4C-AFD0-400D-9C51-D091D513A374"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vultures@jpcert.or.jp"}