CVE-2026-20171

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

PT-2026-42190

Name of the Vulnerable Software and Affected Versions Cisco Nexus 3000 Series Switches versions prior to 10.61s Cisco Nexus 9000 Series Switches versions prior to 10.61s Description A flaw in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 and 9000 Series Switches in...

Cisco Nexus 9000 Series Fabric Switches in ACI Mode SNMP DoS (cisco-sa-nxos-dsnmp-cNN39Uh)

According to its self-reported version, Cisco NX-OS System Software in ACI Mode is affected by a vulnerability. - A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause ...

Cisco Nexus 9000 Series Fabric Switches in ACI Mode SNMP Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper processing when...

EUVD-2025-27688

Malicious code in bioql PyPI...

Vulnerabilities fixed in Cisco NX-OS Software

Cisco has fixed vulnerabilities in Cisco NX-OS Software for Nexus 3000 and 9000 Series Switches. The vulnerabilities are in several features of the Cisco NX-OS Software, including IS-IS, PIM6, logging, command-line interface CLI, and the REST API of the Nexus Dashboard. These vulnerabilities can ...

CVE-2025-20262

A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denia...

CVE-2025-20262 Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability

A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denia...

PT-2025-34889 · Cisco · Cisco Nx-Os +5

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software for Cisco Nexus 3000 Series Switches Cisco Nexus 9000 Series Switches in standalone NX-OS mode Cisco UCS 6400 Fabric Interconnects Cisco UCS 6500 Series Fabric Interconnects Cisco UCS 9108 100G Fabric Interconnects affect...

PT-2025-34888 · Cisco · Cisco Nexus 3000 Series Switches +1

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 Series Switches Cisco Nexus 9000 Series Switches Description: A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature could allow an authenticated, low-privileged, remote attacker to trigger a crash of th...

The vulnerability of the access control list mechanism in the Cisco NX-OS operating system for Cisco Nexus 3000 and Nexus 9000 switches allows a perpetrator to gain access to network resources.

The vulnerability of the access control list mechanism in the Cisco NX-OS operating system for Cisco Nexus 3000 and Nexus 9000 switches is related to deficiencies in access control. Exploiting this vulnerability could allow an attacker to gain access to network resources remotely...

PT-2024-1909 · Cisco · Cisco Nexus 3000 Series Switches +2

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 and 9000 Series Switches affected versions not specified Description: A vulnerability in the access control list ACL programming for port channel subinterfaces could allow an unauthenticated, remote attacker to send traffic...

PT-2023-4593 · Cisco · Cisco Nexus 3000 Series Switches +3

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 Series Switches and 9000 Series Switches in standalone NX-OS mode affected versions not specified Description: A vulnerability in the SFTP server implementation could allow an authenticated, remote attacker to download or...

The vulnerability of the Link Layer Discovery Protocol (LLDP) implementation in the Cisco NX-OS operating system of Cisco Nexus 9000 Series Fabric Switches in ACI mode allows a attacker to cause a service failure.

The vulnerability of the Link Layer Discovery Protocol LLDP implementation in the Cisco NX-OS operating system of Cisco Nexus 9000 Series Fabric Switches in ACI mode is related to memory release errors. Exploiting this vulnerability could allow a malicious actor to cause service failure by sendin...

The vulnerability of the Link Layer Discovery Protocol (LLDP) implementation in the NX-OS operating system in ACI Mode on Nexus 9000 Series routers allows a attacker to cause a service failure.

The vulnerability of the Link Layer Discovery Protocol LLDP implementation in the NX-OS operating system in ACI Mode on Nexus 9000 Series routers is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

The vulnerability in the internal file management service of the Cisco NX-OS operating system for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches allows a attacker to rewrite arbitrary files.

The vulnerability of the internal file management service in the Cisco NX-OS operating system for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches lies in the use of files and directories accessible from external parties. Exploiting this vulnerability allows a malicious actor...

Vulnerabilities fixed in Cisco Nexus 9000 series

Cisco has fixed vulnerabilities in Nexus 9000 Series Fabric Switches. The vulnerabilities allow an unauthenticated remote malicious party able to cause a denial-of-service cause and to bypass a security measure. Cisco categorizes these vulnerabilities according to the CVSSv3 method with a highest...

CVE-2021-1228

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

Cisco Nexus 9000 Series Fabric 访问控制错误漏洞

Cisco Nexus 9000 Series Fabric Switches is a 9000 series fiber optic switch from Cisco USA. A security vulnerability exists in the Nexus 9000 Series Fabri that can be exploited by an attacker to disable switching on SFP interfaces, which could disrupt the network...

CVE-2019-1977

A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an endpoint device in certain circumstances. The...