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CVE-2024-20276

Cisco IOS - Catalyst 6000 Series Switches

Cisco CVSS 7.4 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper handling of process-switched traffic and can be exploited by sending crafted traffic to an affected device."

Operational Audit Arsenal

Target Type Firmware Image
Target Asset Cisco IOS
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 due to device reload

Internal Work Notes

CVE-2024-20276: Cisco IOS vulnerability allowing adjacent attackers to cause device reload, resulting in DoS condition. Verify device firmware version and apply patch as necessary.

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Intelligence Sources

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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.