Vulnerability Details CVE-2018-0378
A vulnerability in the Precision Time Protocol (PTP) feature of Cisco Nexus 5500, 5600, and 6000 Series Switches running Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of protection against PTP frame flood attacks. An attacker could exploit this vulnerability by sending large streams of malicious IPv4 or IPv6 PTP traffic to the affected device. A successful exploit could allow the attacker to cause a DoS condition, impacting the traffic passing through the device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.017
EPSS Ranking 81.5%
CVSS Severity
CVSS v3 Score 8.6
CVSS v2 Score 7.8
References
- http://www.securityfocus.com/bid/105669
- http://www.securitytracker.com/id/1041920
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nexus-ptp-dos
- http://www.securityfocus.com/bid/105669
- http://www.securitytracker.com/id/1041920
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nexus-ptp-dos
Products affected by CVE-2018-0378
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cpe:2.3:h:cisco:nexus_5548p:-
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cpe:2.3:h:cisco:nexus_5548up:-
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cpe:2.3:h:cisco:nexus_5596t:-
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cpe:2.3:h:cisco:nexus_5596up:-
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cpe:2.3:h:cisco:nexus_56128p:-
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cpe:2.3:h:cisco:nexus_5624q:-
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cpe:2.3:h:cisco:nexus_5648q:-
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cpe:2.3:h:cisco:nexus_5672up-16g:-
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cpe:2.3:h:cisco:nexus_5672up:-
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cpe:2.3:h:cisco:nexus_5696q:-
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cpe:2.3:h:cisco:nexus_6001:-
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cpe:2.3:h:cisco:nexus_6004:-
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cpe:2.3:o:cisco:nx-os:7.3(2)n1(0.8)