CVE-2001-0191

Name: CVE-2001-0191
Creator: NVD / NIST
Published: 2001-05-03T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.50%

Last modified Jun 16, 2026

CVE-2001-0191 is a vulnerability of currently unknown severity. gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which allows remote attackers to execute arbitrary commands via a buffer overflow, or brute force authentication by using a short cookie length.. EPSS estimates a 5.50% chance of exploitation in the next 30 days.

Description

gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which allows remote attackers to execute arbitrary commands via a buffer overflow, or brute force authentication by using a short cookie length.

Metrics

EPSS Probability

5.50%

91.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Andynorman	Gnuserv	< 3.12

References

http://archives.neohapsis.com/archives/bugtraq/2001-02/0030.htmlBroken Link, Patch, Vendor Advisory
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-019.php3Broken Link, Patch
http://www.redhat.com/support/errata/RHSA-2001-010.htmlBroken Link, Patch
http://www.redhat.com/support/errata/RHSA-2001-011.htmlBroken Link, Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/6056Third Party Advisory, VDB Entry
http://archives.neohapsis.com/archives/bugtraq/2001-02/0030.htmlBroken Link, Patch, Vendor Advisory
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-019.php3Broken Link, Patch
http://www.redhat.com/support/errata/RHSA-2001-010.htmlBroken Link, Patch
http://www.redhat.com/support/errata/RHSA-2001-011.htmlBroken Link, Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/6056Third Party Advisory, VDB Entry

Timeline

Published: May 3, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-0191?

How severe is CVE-2001-0191?

Severity scoring for CVE-2001-0191 is pending analysis. The EPSS model estimates a 5.50% probability of exploitation in the next 30 days.

How do I fix CVE-2001-0191?

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-2001-0191?

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

Scan your code now

Source: NVD / NIST