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...

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...

Cisco NX-OS Software Access Control Error Vulnerability (CNVD-2025-01388)

Cisco NX-OS Software is a set of data center-grade operating system software for switches from the U.S. company Cisco Cisco. The Cisco NX-OS Software suffers from an Access Control Error vulnerability, which arises from an insecure bootloader setting, and can be exploited by an attacker to bypass...

Cisco Releases Security Updates for NX-OS Software

Cisco released security updates to address a vulnerability in Cisco NX-OS software. A cyber threat actor could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the following advisory and apply the necessary updates: Cisco NX-OS...

CVE-2024-20397

Cisco NX-OS Software is affected by a bootloader vulnerability (CVE-2024-20397) that allows bypassing image signature verification. The issue stems from insecure bootloader settings and can be exploited by executing bootloader commands to load unverified software. Attacker access requirements: un...

Cisco NX-OS Software Python Sbox Escape Multiple Vulnerabilities (cisco-sa-nxos-psbe-ce-YvbTn5du)

According to its self-reported version, Cisco NX-OS Software is affected by multiple vulnerabilities. - A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, low- privileged, local attacker to escape the Python sandbox and gain unauthorized access to the...

Cisco NX-OS Software Denial of Service Vulnerability (CNVD-2024-37698)

Cisco NX-OS Software is a set of data center-grade operating system software for switches from the U.S. company Cisco Cisco. A denial of service vulnerability exists in Cisco NX-OS Software that stems from improper handling of specific fields in the DHCPv6 RELAY-REPLY message. An attacker could...

Cisco NX-OS Software Elevation of Privilege Vulnerability (CNVD-2024-37700)

Cisco NX-OS Software is a set of data center-grade operating system software for switches from the U.S. company Cisco Cisco. An elevation of privilege vulnerability exists in Cisco NX-OS Software, which stems from insufficient security restrictions when executing application parameters from a Bas...

Cisco NX-OS Software License Issue Vulnerability (CNVD-2024-37701)

Cisco NX-OS Software is a set of data center-grade operating system software for switches from the U.S. company Cisco Cisco. Cisco NX-OS Software has an authorization issue vulnerability that stems from insufficient security restrictions when executing commands from the Bash shell. An attacker...

CVE-2024-20411

A vulnerability in Cisco NX-OS Software could allow an authenticated, local attacker with privileges to access the Bash shell to execute arbitrary code as root on an affected device. This vulnerability is due to insufficient security restrictions when executing commands from the Bash shell. An...

CVE-2024-20284

A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, low-privileged, local attacker to escape the Python sandbox and gain unauthorized access to the underlying operating system of the device. The vulnerability is due to insufficient validation of...

CVE-2024-20284 Cisco NX-OS Software Python Parser Escape Vulnerability

A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, low-privileged, local attacker to escape the Python sandbox and gain unauthorized access to the underlying operating system of the device. The vulnerability is due to insufficient validation of...

CVE-2024-20284

CVE-2024-20284 : Cisco NX-OS Software contains a vulnerability in the Python interpreter that allows an authenticated, low-privileged, local attacker to escape the Python sandbox and run arbitrary commands on the underlying OS due to insufficient validation of user input. The attack requires Pyth...

CVE-2024-20285 Cisco NX-OS Software Python Parser Escape Vulnerability

A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, low-privileged, local attacker to escape the Python sandbox and gain unauthorized access to the underlying operating system of the device. The vulnerability is due to insufficient validation of...

CVE-2024-20286 Cisco NX-OS Software Python Parser Escape Vulnerability

A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, low-privileged, local attacker to escape the Python sandbox and gain unauthorized access to the underlying operating system of the device. The vulnerability is due to insufficient validation of...

CVE-2024-20446

CVE-2024-20446 : Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service. A vulnerability in the DHCPv6 RELAY-REPLY handling could let an unauthenticated, remote attacker send crafted DHCPv6 packets to any IPv6 address on affected devices, causing the dhcp_snoop process to crash and restart rep...

CVE-2024-20289

CVE-2024-20289 affects Cisco NX-OS Software CLI. The issue is caused by insufficient validation of arguments for a specific CLI command, enabling an authenticated, low-privileged, local attacker to execute arbitrary commands on the device with the privileges of the logged-in user. Several connect...

CVE-2024-20411

Cisco NX-OS Software contains a Bash shell-related vulnerability that allows an authenticated, local attacker with Bash-shell access to execute arbitrary code as root due to insufficient command restrictions. Public sources (including Cisco Security Advisory Cisco NX-OS Bash Arbitrary Code Execut...

CVE-2024-20399

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated user in possession of Administrator credentials to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of arguments that ar...