CVE-2001-0609

Name: CVE-2001-0609
Creator: NVD / NIST
Published: 2001-08-02T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 18.23%

Last modified Jun 16, 2026

CVE-2001-0609 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Format string vulnerability in Infodrom cfingerd 1.4.3 and earlier allows a remote attacker to gain additional privileges via a malformed ident reply that is passed to the syslog function.. EPSS estimates a 18.23% chance of exploitation in the next 30 days.

Description

Format string vulnerability in Infodrom cfingerd 1.4.3 and earlier allows a remote attacker to gain additional privileges via a malformed ident reply that is passed to the syslog function.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

18.23%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions
Infodrom	Cfingerd	<= 1.4.3

References

http://archives.neohapsis.com/archives/bugtraq/2001-04/0202.htmlBroken Link, Exploit, Patch, Vendor Advisory
http://www.securityfocus.com/bid/2576Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6364Third Party Advisory, VDB Entry
http://archives.neohapsis.com/archives/bugtraq/2001-04/0202.htmlBroken Link, Exploit, Patch, Vendor Advisory
http://www.securityfocus.com/bid/2576Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6364Third Party Advisory, VDB Entry

Timeline

Published: Aug 2, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-0609?

Format string vulnerability in Infodrom cfingerd 1.4.3 and earlier allows a remote attacker to gain additional privileges via a malformed ident reply that is passed to the syslog function.

How severe is CVE-2001-0609?

CVE-2001-0609 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 18.23% probability of exploitation in the next 30 days.

How do I fix CVE-2001-0609?

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-2001-0609?

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

Scan your code now

Source: NVD / NIST