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Cisco IOS-XR: CVE-2023-20236: Cisco IOS XR Software iPXE Boot Signature Bypass Vulnerability

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Cisco IOS-XR: CVE-2023-20236: Cisco IOS XR Software iPXE Boot Signature Bypass Vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/13/2023
Created
09/14/2023
Added
09/14/2023
Modified
09/20/2023

Description

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

Solution(s)

  • update-xros

References

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