CVE-2021-34709

Cisco IOS XR image verification vulnerabilities (CVE-2021-34709) affect Cisco Network Convergence System 540 Series Routers and Cisco IOS XR Software for Cisco 8000 Series Routers, specifically when using NCS540L images. The flaw allows an authenticated, local attacker to execute arbitrary code o...

CVE-2021-34708 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System NCS 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code ...

CVE-2021-34708 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System NCS 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code ...

CVE-2021-34708

CVE-2021-34708 concerns multiple vulnerabilities in image verification checks on Cisco Network Convergence System (NCS) 540 Series Routers, observable when running Cisco IOS XR NCS540L software images and Cisco IOS XR Software for Cisco 8000 Series Routers. The flaws allow an authenticated, local...

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

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System NCS 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code ...

CVE-2021-1394

A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System NCS 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition in the web management interface of an affected device. This vulnerability is due ...

CVE-2021-1394

A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System NCS 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition in the web management interface of an affected device. This vulnerability is due ...

CVE-2021-1394 Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability

A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System NCS 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition in the web management interface of an affected device. This vulnerability is due ...

CVE-2021-1394

CVE-2021-1394 affects Cisco IOS XE Software for Network Convergence System (NCS) 520 Routers. The vulnerability resides in the ingress traffic manager and is triggered by processing of certain IPv4 TCP traffic destined to the device, allowing an unauthenticated, remote attacker to cause a DoS on ...

Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability

A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System NCS 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition in the web management interface of an affected device. This vulnerability is due ...

Cisco IOS XR Software for Cisco 8000 and NCS 540 Routers Image Verification Vulnerabilities (cisco-sa-ioxr-l-zNhcGCBt)

According to its self-reported version, the Cisco IOS XR Software is affected by multiple vulnerabilities that allow an authenticated, local attacker to execute unsigned code during the boot process, as follows: - A vulnerability in the GRUB boot loader of Cisco NCS 540 Series Routers, only when...

CVE-2021-1244

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-2021-1136

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-2021-1244

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

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-2021-1370 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-2021-1136 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-2021-1136

CVE-2021-1136 affects Cisco IOS XR for Cisco 8000 Series Routers and NCS 540 Routers running NCS540L images. The issue allows an authenticated, local attacker to execute unsigned code during boot (GRUB boot loader vulnerability and ISO packaging signing issues). Affected devices include NCS 540 S...

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-2021-1244 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...