description: A vulnerability in the DNS functionality of Cisco Nexus Dashboard Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.
This vulnerability is due to the improper processing of DNS requests. An attacker could exploit this vulnerability by sending a continuous stream of DNS requests to an affected device. A successful exploit could allow the attacker to cause the coredns service to stop working or cause the device to reload, resulting in a DoS condition.
problem types: Resource Management Errors
affected:
{
vendor: Cisco
product: Cisco Nexus Dashboard
versions:
version: 1.1(0c), status: affected
version: 1.1(0d), status: affected
version: 1.1(2h), status: affected
version: 1.1(2i), status: affected
version: 1.1(3c), status: affected
version: 1.1(3d), status: affected
version: 1.1(3e), status: affected
version: 1.1(3f), status: affected
version: 2.0(1b), status: affected
version: 2.0(1d), status: affected
version: 2.0(2g), status: affected
version: 2.0(2h), status: affected
version: 2.1(1d), status: affected
version: 2.1(1e), status: affected
version: 2.1(2d), status: affected
version: 2.1(2f), status: affected
version: 2.2(1e), status: affected
version: 2.2(1h), status: affected
version: 2.2(2d), status: affected
}
metrics:
format: cvssV3_1
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
baseScore: 7.5
baseSeverity: HIGH
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
]
exploits: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.