A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. This vulnerability is known to be exploited in the wild. A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
Reported by CISA KEV (kev).
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL GuardA vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. This vulnerability is known to be exploited in the wild. A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
Reported by CISA KEV (kev).
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL Guard