Cisco Bug: CSCun45520 - Cisco ASA DHCPv6 Denial of Service Vulnerability
Apr 16, 2020
- Cisco ASA 5500-X Series Firewalls
Known Affected Releases
Symptom: ASA crash in Thread Name: DHCPv6 Relay when processing a DHCPv6 packet Conditions: DHCPv6 relay should be enabled. To verify if this feature is enabled use the show run ipv6 dhcprelay and verify that it is enabled at least on one interface ipv6 dhcprelay enable <if name> DHCPv4 relay is not affected by this issue.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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