Description
Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device.
Recommended action
Apply updates per vendor instructions.
CISA remediation due date for U.S. federal agencies: 3 May 2022.
Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.