CVE-2023-20236 is a high-severity vulnerability affecting Cisco IOS XR software, specifically within its iPXE boot function. An authenticated, local attacker can exploit insufficient image verification during the boot process to install an unverified software image on the device. This could lead to a complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.10.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.