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CVE-2000-0380 — HIGH severity vulnerability (The IOS HTTP service in Cisco routers and switches running I)

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.

CVE IDCVE-2000-0380
SeverityHIGH
CVSS score7.1
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C
CWECWE-20
StatusModified
Published2000-04-26
Last modified2026-04-16
DescriptionThe 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.
SourceNIST National Vulnerability Database

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