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CVE-2024-20304

Cisco IOS XR - Mtrace2

Cisco CVSS 8.6 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in the multicast traceroute version 2 (Mtrace2) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust the UDP packet memory of an affected device, potentially causing a denial of service (DoS) condition. This vulnerability can be exploited using IPv4 or IPv6, and successful exploitation could prevent the affected device from processing higher-level UDP-based protocols packets."

Operational Audit Arsenal

Target Type Firmware Image
Target Asset Cisco IOS XR Software
Standard Path Global Firmware

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Network disruption possible during patching

Internal Work Notes

CVE-2024-20304: Cisco IOS XR Mtrace2 vulnerability could lead to DoS, recommend patching affected devices

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Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.