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CVE-2021-34709

MEDIUM CVSS: 6.0 Published: 2021-09-09 Modified: 2026-06-17

Description

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 on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

Affected Platforms

Cisco 8101-32FhCisco 8201-32FhCisco N540-12Z20G-Sys-DCisco 8800 4-SlotCisco 8800 8-SlotCisco N540-24Z8Q2C-MCisco 8201Cisco 8202Cisco 8101-32HCisco N540-28Z4C-Sys-D

Weakness Type

CWE-347, CWE-347

References