CVSS 3.1 Score 7.8 of 10 (high)


Published Mar 13, 2024
CWE ID 266


CVE-2024-20320 is a vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers. It could allow an authenticated, local attacker to elevate privileges on an affected device. The vulnerability is a result of insufficient validation of arguments included with the SSH client CLI command. An attacker with low-privileged access to the device can exploit this vulnerability by issuing a crafted SSH client command to the CLI. Successful exploitation could enable the attacker to elevate privileges to root on the affected device. The base severity of this vulnerability is rated as HIGH, with a CVSS score of 7.8, posing a significant danger to organizations using the affected products.

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