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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Cisco / Cisco Nexus Dashboard1.1(0c) – 1.1(0c)
- Cisco / Cisco Nexus Dashboard1.1(0d) – 1.1(0d)
- Cisco / Cisco Nexus Dashboard1.1(2h) – 1.1(2h)
- Cisco / Cisco Nexus Dashboard1.1(2i) – 1.1(2i)
- Cisco / Cisco Nexus Dashboard1.1(3c) – 1.1(3c)
- Cisco / Cisco Nexus Dashboard1.1(3d) – 1.1(3d)
- Cisco / Cisco Nexus Dashboard1.1(3e) – 1.1(3e)
- Cisco / Cisco Nexus Dashboard1.1(3f) – 1.1(3f)
- Cisco / Cisco Nexus Dashboard2.0(1b) – 2.0(1b)
- Cisco / Cisco Nexus Dashboard2.0(1d) – 2.0(1d)
- Cisco / Cisco Nexus Dashboard2.0(2g) – 2.0(2g)
- Cisco / Cisco Nexus Dashboard2.0(2h) – 2.0(2h)
- Cisco / Cisco Nexus Dashboard2.1(1d) – 2.1(1d)
- Cisco / Cisco Nexus Dashboard2.1(1e) – 2.1(1e)
- Cisco / Cisco Nexus Dashboard2.1(2d) – 2.1(2d)
- Cisco / Cisco Nexus Dashboard2.1(2f) – 2.1(2f)
- Cisco / Cisco Nexus Dashboard2.2(1e) – 2.2(1e)
- Cisco / Cisco Nexus Dashboard2.2(1h) – 2.2(1h)
- Cisco / Cisco Nexus Dashboard2.2(2d) – 2.2(2d)