VULNERABILITY INTELLIGENCE
CVE-2023-20014
CVSS score7.5 HIGH
EPSS probability0.95%
CISA KEVNot currently listed
Published2023-03-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-400: Uncontrolled Resource Consumption
Primary references
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory