Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-22166)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial of service vulnerability exists in the vDaemon process for SD-WAN in Cisco IOS XE. The vulnerability stems from insufficient handling of malformed packets. An attacker...

Cisco IOS XE Buffer Overflow Vulnerability

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A buffer overflow vulnerability exists in the vDaemon process for SD-WAN on Cisco IOS XE. The vulnerability stems from insufficient boundary checking when the device processes...

Cisco IOS XE elevation of privilege vulnerability (CNVD-2021-22457)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. An elevation of privilege vulnerability exists in role-based access control for SD-WAN in Cisco IOS XE. The vulnerability stems from the use of a default configuration for console...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-22190)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial of service vulnerability exists in the DNS Application Layer Gateway ALG feature used by Network Address Translation NAT in Cisco IOS XE. The vulnerability stems from a...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-22456)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial of service vulnerability exists in the web UI of Cisco IOS XE. The vulnerability stems from insufficient error handling in the web UI. An attacker can exploit this...

Cisco IOS XE Arbitrary Command Execution Vulnerability (CNVD-2021-22184)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. An arbitrary command execution vulnerability exists in the CLI for SD-WAN in Cisco IOS XE. The vulnerability stems from insufficient validation of user-supplied input. An attacker...

Cisco IOS XE SD-WAN Command Injection Vulnerability

Cisco IOS XE is an open and flexible operating system optimized for future work. A command injection vulnerability exists in Cisco IOS XE versions after 17.3.1. The vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit the vulnerability to execut...

Cisco IOS XE elevation of privilege vulnerability (CNVD-2021-22187)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. An elevation of privilege vulnerability exists in the diagnostic command of the Plug and Play PnP subsystem of Cisco IOS XE. The vulnerability stems from inadequate protection of...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-22185)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial of service vulnerability exists in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE. The vulnerability stems from insufficient input validation of...

Cisco IOS and IOS XE Elevation of Privilege Vulnerability

Cisco IOS is an operation and maintenance system developed by Cisco for its network equipment, where users set up the functions of the network equipment through the command line human-machine interface. IOS XE is a modular operating system based on Linux kernel developed for its network equipment...

CVE-2021-1381

A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. The vulnerability is due to insufficient command authorization restrictions. An attacker could...

CVE-2021-1375

Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating system, install and...

CVE-2021-1376

Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating system, install and...

CVE-2021-1220

Multiple vulnerabilities in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to cause the web UI software to become unresponsive and consume vty line instances, resulting in a denial of service DoS condition. These vulnerabilities are due...

CVE-2021-1356

Multiple vulnerabilities in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to cause the web UI software to become unresponsive and consume vty line instances, resulting in a denial of service DoS condition. These vulnerabilities are due...

CVE-2021-1281

A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerabilit...

CVE-2021-1352

A vulnerability in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation of DECnet traffic that i...

Input validation

A vulnerability in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation of DECnet traffic that i...

Design/Logic Flaw

Multiple vulnerabilities in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to cause the web UI software to become unresponsive and consume vty line instances, resulting in a denial of service DoS condition. These vulnerabilities are due...

Input validation

Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating system, install and...