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HighIIS

CVE-2000-0970

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.

CVSS Base Score
7.5

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

Exploit Probability
99%EPSS PERCENTILE0100

More exploitable than 99% of all CVEs · Top 1%

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Details
Published
2000-12-19
Last modified
2026-09-23
Affected
IIS
References
NVD Detail OSV.dev GitHub Advisories

Related exploited CVEs in IIS

CVE-2000-0884
High · 7.5 CVSSIIS
CVE-2000-0886
High · 7.5 CVSSIIS
CVE-2000-0951
Medium · 5 CVSSIIS

Data from the National Vulnerability Database (NVD), CISA KEV, and FIRST.org EPSS. This product uses the NVD API but is not endorsed or certified by the NVD. EPSS is a probability estimate, not a guarantee of exploitation.