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CVE-2000-1226 — MEDIUM severity vulnerability (Snort 1.6, when running in straight ASCII packet logging mod)

Snort 1.6, when running in straight ASCII packet logging mode or IDS mode with straight decoded ASCII packet logging selected, allows remote attackers to cause a denial of service (crash) by sending non-IP protocols that Snort does not know about, as demonstrated by an nmap protocol scan.

CVE IDCVE-2000-1226
SeverityMEDIUM
CVSS score5.0
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
CWENVD-CWE-Other
StatusModified
Published2000-12-31
Last modified2026-04-16
DescriptionSnort 1.6, when running in straight ASCII packet logging mode or IDS mode with straight decoded ASCII packet logging selected, allows remote attackers to cause a denial of service (crash) by sending non-IP protocols that Snort does not know about, as demonstrated by an nmap protocol scan.
SourceNIST National Vulnerability Database

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