CVE-2021-1128

A vulnerability in the CLI parser of Cisco IOS XR Software could allow an authenticated, local attacker to view more information than their privileges allow. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit...

Race condition

A vulnerability in the IPv6 protocol handling of the management interfaces of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause an IPv6 flood on the management interface network of an affected device. The vulnerability exists because the software incorrectly forward...

Design/Logic Flaw

Multiple vulnerabilities in Cisco Network Convergence System NCS 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on...

Design/Logic Flaw

A vulnerability in the CLI parser of Cisco IOS XR Software could allow an authenticated, local attacker to view more information than their privileges allow. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit...

CVE-2021-1136 Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

Multiple vulnerabilities in Cisco Network Convergence System NCS 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on...

CVE-2021-1243

CVE-2021-1243 affects Cisco IOS XR Software, targeting the SNMP management plane protection via the Local Packet Transport Services (LPTS). The root cause is incorrect LPTS programming when SNMP uses management plane protection, enabling an unauthenticated remote attacker to connect to SNMP ports...

CVE-2021-1244

CVE-2021-1244 affects Cisco Network Convergence System (NCS) 540 Series Routers and Cisco IOS XR Software for the Cisco 8000 Series Routers, specifically when using NCS540L images, allowing an authenticated, local attacker to execute unsigned code during the boot process. Affected product scope i...

CVE-2021-1288 Cisco IOS XR Software Enf Broker Denial of Service Vulnerability

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory...

Cisco IOS XR Information Disclosure Vulnerability

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. An information disclosure vulnerability exists in the CLI parser in Cisco IOS XR versions prior to 7.1.2, 7.2.1, and 7.3.1. The vulnerability stems from insufficient application of...

Vulnerabilities fixed in Cisco IOS XR

Cisco has fixed several vulnerabilities in IOS XR. A unauthenticated malicious person could remotely exploit them to cause a denial-of-service, circumvent bypassing security measures or obtaining system information. The vulnerabilities marked CVE-2021-1288 and CVE-2021-1313 involve a...

Cisco IOS XR Denial of Service Vulnerability (CNVD-2021-09295)

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in Cisco IOS XR's IPv6 protocol processing. The vulnerability stems from the software not properly forwarding IPv6 packets that have an IPv6 no...

Cisco IOS XR Denial of Service Vulnerability (CNVD-2021-09297)

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in the ingress packet processing function of Cisco IOS XR. The vulnerability stems from a logic error in the processing of Telnet protocol...

Cisco IOS XR Denial of Service Vulnerability (CNVD-2021-09296)

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in the ingress packet processing function of Cisco IOS XR. The vulnerability stems from improper resource allocation when an affected device...

Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Privilege Escalation Vulnerability

A vulnerability in a CLI command of Cisco IOS XR Software for the Cisco 8000 Series Routers and Network Convergence System 540 Series Routers running NCS540L software images could allow an authenticated, local attacker to elevate their privilege to root. To exploit this vulnerability, an attacker...

CVE-2021-1288

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory...

Cisco IOS XR 安全漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in Cisco IOS XR's IPv6 protocol processing. The vulnerability stems from the software not properly forwarding IPv6 packets that have an IPv6 no...

Cisco IOS和Cisco IOS XR 权限许可和访问控制问题漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. An information disclosure vulnerability exists in the CLI parser in Cisco IOS XR versions prior to 7.1.2, 7.2.1, and 7.3.1. The vulnerability stems from insufficient application of...

Cisco IOS XR 资源管理错误漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in the ingress packet processing function of Cisco IOS XR. The vulnerability stems from a logic error in the processing of Telnet protocol...

Cisco IOS XR 资源管理错误漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in the ingress packet processing function of Cisco IOS XR. The vulnerability stems from improper resource allocation when an affected device...

PT-2021-1915 · Cisco · Cisco Nx-Os +2

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Cisco NX-OS Software affected versions not specified Description: A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices...