VDB
CISCO-SA-NDB-DNSDOS-BYSCZOSU
CISCO-SA-NDB-DNSDOS-BYSCZOSU
PUBLISHED
CVSS 7.5 HIGH
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco Nexus Dashboard |
Timeline
- Feb 15, 2023 CVE Published
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-dnsdos-bYscZOsu advisory
- https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html url
- https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu url
- https://www.cisco.com/c/en/us/products/end-user-license-agreement.html url
- https://www.cisco.com/c/en/us/support/index.html url
- https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes url
- https://www.cisco.com/go/psirt url
- https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html url
- http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html url
- https://software.cisco.com fix