CVE-2023-20236
Published: Sep 13, 2023
Modified: Dec 16, 2025
CVSS v3.1
6.7
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.
| Vendor | Product | Versions |
|---|---|---|
Cisco | Cisco IOS XR Software | affected 5.2.0affected 5.2.1affected 5.2.2affected 5.2.4affected 5.2.3+82 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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