CVE Catalog
CVE-1999-0513
MediumExploitation Probability (EPSS)
Very high risk70.46%
99th percentile - higher than 99% of all known CVEs
Summary
ICMP messages to broadcast addresses are allowed, enabling a Smurf attack that can lead to denial of service.
Risk Assessment
A Smurf attack can overload the network, resulting in service unavailability for users.
Recommendation
It is recommended to block ICMP messages to broadcast addresses to protect against Smurf attacks.
Original NVD description (English source)
ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service.