CVE-2020-6083

An exploitable denial of service vulnerability exists in the ENIP Request Path Port Segment functionality of Allen-Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1005	Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1005	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:rockwellautomation:allen-bradley_flex_io_1794-aent\/b_firmware:4.003:*:*:*:*:*:*:*

cpe:2.3:h:rockwellautomation:allen-bradley_flex_io_1794-aent\/b:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:35

Type	Values Removed	Values Added
References	~~() https://talosintelligence.com/vulnerability_reports/TALOS-2020-1005 - Exploit, Third Party Advisory~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2020-1005 - Exploit, Third Party Advisory

Information

Published : 2020-10-14 13:15

Updated : 2024-11-21 05:35

NVD link : CVE-2020-6083

Mitre link : CVE-2020-6083

CVE.ORG link : CVE-2020-6083

JSON object : View

Products Affected

rockwellautomation

allen-bradley_flex_io_1794-aent\/b_firmware
allen-bradley_flex_io_1794-aent\/b

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2020-6083", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/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": 3.9}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/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": 3.9}]}, "published": "2020-10-14T13:15:13.460", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1005", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1005", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-120"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "An exploitable denial of service vulnerability exists in the ENIP Request Path Port Segment functionality of Allen-Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de denegaci\u00f3n de servicio explotable en la funcionalidad ENIP Request Path Port Segment de Allen-Bradley Flex IO 1794-AENT/ B. Una petici\u00f3n de red especialmente dise\u00f1ada puede causar una p\u00e9rdida de comunicaciones con el dispositivo resultando en una denegaci\u00f3n de servicio. Un atacante puede enviar un paquete malicioso para activar esta vulnerabilidad"}], "lastModified": "2024-11-21T05:35:03.753", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:rockwellautomation:allen-bradley_flex_io_1794-aent\\/b_firmware:4.003:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2555BAC8-B720-462A-8533-6990D22E69F1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_flex_io_1794-aent\\/b:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "544FE585-0377-4915-BAA3-23D021995BDC"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "talos-cna@cisco.com"}