A vulnerability in the DNS functionality of Cisco Nexus Dashboard...

7.5 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-20014

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-dnsdos-bYscZOsu

More from Cisco

View All →

CVE-2025-20393

Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability

Critical 10

CVE-2025-20377

Cisco Unified Intelligence Center API Information Disclosure Vulnerability

Medium 4.3

CVE-2025-20376

Cisco Unified Contact Center Express Remote Code Execution Vulnerability

Medium 6.5

CVE-2025-20375

Cisco Unified Contact Center Express Arbitrary File Upload Vulnerability

Medium 6.5

CVE-2025-20374

Cisco Unified Contact Center Express Arbitrary File Download Vulnerability

Medium 4.9

Affected Vendor

Cisco

View all reports →

Affected Software

Cisco Nexus Dashboard

Vulnerable Versions:

1.1(0c), 1.1(0d), 1.1(2h), 1.1(2i), 1.1(3c), 1.1(3d), 1.1(3e), 1.1(3f), 2.0(1b), 2.0(1d), 2.0(2g), 2.0(2h), 2.1(1d), 2.1(1e), 2.1(2d), 2.1(2f), 2.2(1e), 2.2(1h), 2.2(2d)