CVE & CISA-KEV CatalogNVD
CVE-1999-0103
MEDIUMEPSS 96th pctl5.0
CVSS v2
Description
Echo and chargen, or other combinations of UDP services, can be used in tandem to flood the server, a.k.a. UDP bomb or UDP packet storm.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
14.63%probability of exploitation in 30 days
96thpercentile
Very high risk: more likely to be exploited than 96% of all known CVEs.
References
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.