What’s Vulnerable › Vulnerabilities

CVE-2000-0970

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 45.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2000-12-19 · updated 2026-09-23

Description

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.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft IIS: 5.0

References

• http://www.acrossecurity.com/aspr/ASPR-2000-07-22-1-PUB.txt
• http://www.osvdb.org/7265
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-080
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5396
• http://www.acrossecurity.com/aspr/ASPR-2000-07-22-1-PUB.txt
• http://www.osvdb.org/7265
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-080
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5396

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