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CVE-2003-1398 — HIGH severity vulnerability (Cisco IOS 12.0 through 12.2, when IP routing is disabled, ac)

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

CVE IDCVE-2003-1398
SeverityHIGH
CVSS score9.3
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C
CWECWE-200
StatusModified
Published2003-12-31
Last modified2026-04-16
DescriptionCisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).
SourceNIST National Vulnerability Database

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