CVE-2024-20451 | Cisco Small Business SPA Series IP Phones - Web Management Interface Operational Intel

Executive Risk Summary

"Multiple vulnerabilities in the web-based management interface of Cisco Small Business SPA300 Series IP Phones and Cisco Small Business SPA500 Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial-of-service condition. An attacker could exploit this vulnerability by sending a crafted HTTP packet to the remote interface of an affected device."

Operational Audit Arsenal

Target Type Firmware Image

Target Asset SPA300/500 Series IP Phone Firmware

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

Potential service disruption due to device reload

Internal Work Notes

CVE-2024-20451: Unauthenticated remote attacker can cause Cisco Small Business SPA Series IP Phones to reload, resulting in denial-of-service. Verify device firmware version and apply patch as recommended by Cisco.

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Intelligence Sources

Official Advisoryhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-spa-http-vulns-RJZmX2Xz

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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.