The vulnerability of the command-line interface of Cisco IOS XR routers from the Network Convergence System 540 Series and Cisco 8000 Series allows a attacker to elevate their privileges to the root level.

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...

The vulnerability of the file checking function of Cisco IOS XR routers from Network Convergence System’s 540 Series and Cisco 8000 Series allows a hacker to execute arbitrary code.

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...

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-2021-1370: 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: 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...

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...

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 issue vulnerability exists in Cisco IOS XR on multiple Cisco routers. The vulnerability is caused due to an unlocked version of the GRUB bootloader on th...

Cisco Network Convergence System 1000 Series IOS XR Software Information Disclosure Vulnerability

Cisco Network Convergence System 1000 Series is a set of network convergence system of the United States Cisco Cisco. An information disclosure vulnerability exists in the IOS XR Software prior to version 6.5.2 in the Cisco Network Convergence System 1000 Series, which stems from the program's...

CVE-2019-1681

A vulnerability in the TFTP service of Cisco Network Convergence System 1000 Series software could allow an unauthenticated, remote attacker to retrieve arbitrary files from the targeted device, possibly resulting in information disclosure. The vulnerability is due to improper validation of...

Information disclosure

A vulnerability in the TFTP service of Cisco Network Convergence System 1000 Series software could allow an unauthenticated, remote attacker to retrieve arbitrary files from the targeted device, possibly resulting in information disclosure. The vulnerability is due to improper validation of...

CVE-2019-1681

A vulnerability in the TFTP service of Cisco Network Convergence System 1000 Series software could allow an unauthenticated, remote attacker to retrieve arbitrary files from the targeted device, possibly resulting in information disclosure. The vulnerability is due to improper validation of...

CVE-2019-1681

CVE-2019-1681 affects Cisco Network Convergence System 1000 Series IOS XR software. The root cause is improper validation of input in the TFTP service, enabling directory traversal to retrieve arbitrary files and cause information disclosure when the TFTP service is enabled. Affected releases are...