CVE-2020-35233

The TFTP server fails to handle multiple connections on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices, and allows external attackers to force device reboots by sending concurrent connections, aka a denial of service attack.

CVSS v3 6.5 MEDIUM
CVSS v2.0 6.1 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.1^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.5 / Impact : 6.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:gs116e_firmware:2.6.0.43:*:*:*:*:*:*:*

cpe:2.3:h:netgear:gs116e:v2:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:jgs516pe_firmware:2.6.0.43:*:*:*:*:*:*:*

cpe:2.3:h:netgear:jgs516pe:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-10 19:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-35233

Mitre link : CVE-2020-35233

CVE.ORG link : CVE-2020-35233

JSON object : View

Products Affected

netgear

jgs516pe
jgs516pe_firmware
gs116e_firmware
gs116e

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2020-35233", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.1, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/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": "MEDIUM", "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": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/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": 2.8}]}, "published": "2021-03-10T19:15:12.687", "references": [{"url": "https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "The TFTP server fails to handle multiple connections on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices, and allows external attackers to force device reboots by sending concurrent connections, aka a denial of service attack."}, {"lang": "es", "value": "El servidor TFTP no puede manejar m\u00faltiples conexiones en dispositivos NETGEAR JGS516PE/GS116Ev2 versi\u00f3n v2.6.0.43 y permite a atacantes externos forzar el reinicio del dispositivo mediante el env\u00edo conexiones simult\u00e1neas, tambi\u00e9n se conoce como un ataque de denegaci\u00f3n de servicio"}], "lastModified": "2021-03-16T13:29:10.053", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:gs116e_firmware:2.6.0.43:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EE8AF63-BEAE-477C-A865-78727E0E1CDE"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:gs116e:v2:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6DA5EF92-9B28-4C81-8A95-C5BCEC19591A"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:jgs516pe_firmware:2.6.0.43:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8F3F57E-F184-4323-AA4D-9C8C57EDC94F"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:jgs516pe:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DCBC0DAB-226E-4C95-9818-7758D37EFD10"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}