PT-2021-2502

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software for Cisco Network Convergence System NCS 520 Routers affected versions not specified Description: A vulnerability in the ingress traffic manager could allow an unauthenticated, remote attacker to cause a denial of servic...

CVE-2021-1394: Undefined Security Weakness

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 8000 Series Routers Network Convergence System 540 Series Routers Privilege Escalation (cisco-sa-iosxr-pe-QpzCAePe)

According to its self-reported version, Cisco IOS XR Software for the Cisco 8000 Series Routers and Network Convergence System 540 Series Routers running NCS540L software images is affected by an privilege escalation vulnerability in its CLI command due to insufficient validation of command line...

Cisco IOS XR File Checking Code Execution

The vulnerability of the file checking function for Cisco IOS XR routers from the Network Convergence System 540 Series and Cisco 8000 Series is related to errors in the cryptographic signature verification. Exploiting this vulnerability can allow a perpetrator to execute arbitrary code...

Cisco IOS XR Privilege Escalation

The vulnerability of the command-line interface of Cisco IOS XR routers from the Network Convergence System 540 Series and Cisco 8000 Series exists due to the lack of measures taken to neutralize the special elements used in the operating system’s command. Exploiting this vulnerability can allow...

Cisco IOS XR Grub Loader Code Execution

The vulnerability of the Grub loader in Cisco IOS XR routers from the Network Convergence System 540 Series and Cisco 8000 Series is related to errors in checking the cryptographic signature. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

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...

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...

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

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

CVE-2021-1370 affects Cisco IOS XR Software on Cisco 8000 Series Routers and NCS540L software images. A vulnerability in a CLI command allows an authenticated, local attacker to escalate privileges to root due to insufficient validation of command line arguments. Exploitation requires a valid acc...

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...

CVE-2021-1136: Improper Verification of Cryptographic Signature

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: Improper Verification of Cryptographic Signature

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: Improper Neutralization of Special Elements used in an OS Command

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

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...

Multiple Cisco Products Data Forgery Issue Vulnerabilities

The Cisco 8000 Series Router and the Cisco Network Convergence System 540 Series Routers are both router devices from Cisco USA. A data forgery vulnerability exists in Cisco IOS XR on multiple Cisco routers. The vulnerability is due to an unsigned script in the ISO that is verified without...

PT-2021-1917

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software versions for the Cisco 8000 Series Routers and Network Convergence System 540 Series Routers running NCS540L software images affected versions not specified Description A vulnerability in a CLI command could allow an...