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CVE-2000-0970

High CVSS 7.5

Published 2000-12-19 ยท last changed 2026-09-23

The fix

We hold no Microsoft remediation data for CVE-2000-0970, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

IIS 4.0 and 5.0 .ASP pages send the same Session ID cookie for secure and insecure web sessions, which could allow remote attackers to hijack the secure web session of the user if that user moves to an insecure session, aka the "Session ID Cookie Marking" vulnerability.

Sources

CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P