CVE-2011-4023

Memory leak in libcmd in Cisco NX-OS 5.0 on Nexus switches allows remote authenticated users to cause a denial of service memory consumption via SNMP requests, aka Bug ID CSCtr65682...

CVE-2011-2569

Cisco Nexus OS aka NX-OS 4.2 and 5.0 and Cisco Unified Computing System with software 1.4 and 2.0 do not properly restrict command-line options, which allows local users to gain privileges via unspecified vectors, aka Bug IDs CSCtf40008, CSCtg18363, CSCtr44645, CSCts10195, and CSCts10188...

CVE-2013-1213

Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module VEM to a Virtual Supervisor Module VSM, which allows remote attackers to cause a denial of service false VEM unavailability report via a flood of UDP packets, aka Bug ID...

CVE-2013-1211

Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module VEM to Virtual Supervisor Module VSM communication, which allows remote attackers to obtain VEM access via 1 spoofed STUN packets or 2 a crafted VMware ESXi instance, aka Bug ID CSCud14832...

CVE-2013-1210

Array index error in the Virtual Ethernet Module VEM kernel driver for VMware ESXi in Cisco NX-OS on the Nexus 1000V, when STUN debugging is enabled, allows remote attackers to cause a denial of service ESXi crash and purple screen of death by sending crafted STUN packets to a VEM, aka Bug ID...

CVE-2013-1208

The encryption functionality in Cisco NX-OS on the Nexus 1000V does not properly handle Virtual Supervisor Module VSM to Virtual Ethernet Module VEM communication, which allows remote attackers to intercept or modify network traffic by leveraging certain Layer 2 or Layer 3 access, aka Bug ID...

CVE-2012-0352

Cisco NX-OS 4.2.x before 4.21SV15.1 on Nexus 1000v series switches; 4.x and 5.0.x before 5.02N11 on Nexus 5000 series switches; and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service netstack process...

CVE-2012-4099

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service BGP service reset and resync via a malformed UPDATE message, aka Bug ID CSCtn13065...

CVE-2012-4097

The BGP implementation in Cisco NX-OS does not properly filter segment types in AS paths, which allows remote attackers to cause a denial of service BGP service reset via a malformed UPDATE message, aka Bug ID CSCtn13043...

CVE-2009-0627

Unspecified vulnerability in Cisco NX-OS before 4.01aN21, when running on Nexus 5000 platforms, allows remote attackers to cause a denial of service crash via an unspecified "sequence of TCP packets" related to "TCP State manipulation," possibly related to separate attacks against CVE-2008-4609...

CVE-2025-20191 Multiple Cisco Products Denial of Service Vulnerability

A vulnerability in the Switch Integrated Security Features SISF of Cisco IOS Software, Cisco IOS XE Software, Cisco NX-OS Software, and Cisco Wireless LAN Controller WLC AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected...

PT-2025-20263

Name of the Vulnerable Software and Affected Versions Cisco IOS Software affected versions not specified Cisco IOS XE Software affected versions not specified Cisco NX-OS Software affected versions not specified Cisco Wireless LAN Controller WLC AireOS Software affected versions not specified...

Cisco NX-OS Cryptographic Issues (CVE-2011-4667)

The encryption library in Cisco IOS Software 15.21T, 15.21T1, and 15.22T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-Port Multiservice Module, and Cisco MDS 9000 Storage Services Node module before 5.26, and Cisco IOS in Cisco VPN Services Port Adaptor for...

Cisco NX-OS Allocation of Resources Without Limits or Throttling (CVE-2011-4023)

Memory leak in libcmd in Cisco NX-OS 5.0 on Nexus switches allows remote authenticated users to cause a denial of service memory consumption via SNMP requests, aka Bug ID CSCtr65682. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Cisco NX-OS Remote TCP State Manipulation Denial of Service (CVE-2009-0627)

Unspecified vulnerability in Cisco NX-OS before 4.01aN21, when running on Nexus 5000 platforms, allows remote attackers to cause a denial of service crash via an unspecified sequence of TCP packets related to TCP State manipulation, possibly related to separate attacks against CVE-2008-4609. This...

CVE-2025-20161 Cisco NX-OS Software Command Injection Vulnerability

A vulnerability in the software upgrade process of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, local attacker with valid Administrator credentials to execute a command injection attack on the underlying operating...

CVE-2025-20161 Cisco NX-OS Software Command Injection Vulnerability

A vulnerability in the software upgrade process of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, local attacker with valid Administrator credentials to execute a command injection attack on the underlying operating...

PT-2025-8735 · Cisco · Cisco Nexus 3000 Series Switches +2

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode affected versions not specified Description: The issue is related to insufficient validation of specific elements within a software image in the...

CVE-2024-20397

A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure...

CVE-2024-20267

A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the netstack process to unexpectedly restart, which could cause the device to stop processing network traffic or to reload. This vulnerability is due to lack of prop...