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August 29, 2024
Severity
High
Analysis Summary
CVE-2024-20446
Cisco NX-OS Software is vulnerable to a denial of service, caused by improper handling of specific fields in a DHCPv6 RELAY-REPLY message. By sending a specially crafted DHCPv6 packet to any IPv6 address that is configured on an affected device, an attacker could exploit this vulnerability to cause the dhcp_snoop process to crash and restart multiple times.
Impact
- Denial of Service
Indicators of Compromise
CVE
- CVE-2024-20446
Affected Vendors
Cisco
Affected Products
- Cisco NX-OS Software - 10.2
Remediation
Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.