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Cisco Bug: CSCvr96103 - 8821 should not accept CDP in broadcast packets not from CDP multicast address

Last Modified

May 14, 2020

Products (3)

  • Cisco IP Phone 8800 Series
  • Cisco Wireless IP Phone 8821-EX
  • Cisco Wireless IP Phone 8821

Known Affected Releases

11.0(5)SR1

Description (partial)

Symptom:
This is a modification on the product to adopt new secure code best practices to enhance the security posture and resiliency of the Cisco Wireless IP Phone 8821.

The CDP broadcast packet on an interface with CDP enabled should be discarded.

Conditions:
Device running with default configuration.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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