CVE-2000-0970

critical

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/5396

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-080

http://www.osvdb.org/7265

http://www.acrossecurity.com/aspr/ASPR-2000-07-22-1-PUB.txt

Details

Source: Mitre, NVD

Published: 2000-12-19

Updated: 2026-04-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.3846