Published: 04/02/2021 Updated: 07/11/2023

CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9

CVSS v3 Base Score: 6.7 | Impact Score: 5.9 | Exploitability Score: 0.8

VMScore: 409

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

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 malicious user to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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cisco ios_xr

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 an affected device For more information about the ...

CWE-347 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt https://nvd.nist.gov https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt

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