CVE-2001-1534

Name: CVE-2001-1534
Creator: NVD / NIST
Published: 2001-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.70%

Last modified Jun 16, 2026

CVE-2001-1534 is a vulnerability of currently unknown severity. mod_usertrack in Apache 1.3.11 through 1.3.20 generates session ID's using predictable information including host IP address, system time and server process ID, which allows local users to obtain session ID's and bypass authentication when these session ID's are used for authentication.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

mod_usertrack in Apache 1.3.11 through 1.3.20 generates session ID's using predictable information including host IP address, system time and server process ID, which allows local users to obtain session ID's and bypass authentication when these session ID's are used for authentication.

Metrics

EPSS Probability

0.70%

48.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-384

Affected Software

Vendor	Product	Versions
Apache	Http Server	>= 1.3.11, <= 1.3.20

References

http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00084.htmlBroken Link
http://www.iss.net/security_center/static/7494.phpBroken Link
http://www.securityfocus.com/bid/3521Third Party Advisory, VDB Entry
http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00084.htmlBroken Link
http://www.iss.net/security_center/static/7494.phpBroken Link
http://www.securityfocus.com/bid/3521Third Party Advisory, VDB Entry

Timeline

Published: Dec 31, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-1534?

How severe is CVE-2001-1534?

Severity scoring for CVE-2001-1534 is pending analysis. The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2001-1534?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2001-1534?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST