CVE & CISA-KEV CatalogNVD
CVE-2000-0380
HIGHEPSS 98th pctl7.1
CVSS v2
Description
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
35.00%probability of exploitation in 30 days
98thpercentile
Very high risk: more likely to be exploited than 98% 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.