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Vulnerability record · CVE-2001-0560 · published 22 August 2001

CVE-2001-0560: Paul vixie vixie cron vulnerability

PPaul Vixie · Vixie Cron

Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain additional privileges via a long username (> 20 characters).

4.6 CVSS 2.0 Medium EPSS 0.51% · top 58.7%
4.6CVSS 2.0 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain additional privileges via a long username (> 20 characters).

AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2001-02/0197.html ExploitPatchVendor Advisory
http://archives.neohapsis.com/archives/linux/immunix/2001-q1/0066.html PatchVendor Advisory
http://www-1.ibm.com/support/search.wss?rs=0&q=IY17048&apar=only
http://www-1.ibm.com/support/search.wss?rs=0&q=IY17261&apar=only
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-022.php3 PatchVendor Advisory
http://www.osvdb.org/5583
http://www.redhat.com/support/errata/RHSA-2001-014.html ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6098
http://archives.neohapsis.com/archives/bugtraq/2001-02/0197.html ExploitPatchVendor Advisory
http://archives.neohapsis.com/archives/linux/immunix/2001-q1/0066.html PatchVendor Advisory
http://www-1.ibm.com/support/search.wss?rs=0&q=IY17048&apar=only
http://www-1.ibm.com/support/search.wss?rs=0&q=IY17261&apar=only
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-022.php3 PatchVendor Advisory
http://www.osvdb.org/5583
http://www.redhat.com/support/errata/RHSA-2001-014.html ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6098

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.2CVE-2006-2607Paul vixie vixie cron vulnerabilitydo_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users to gain root privileges if…EPSS 0.57%7.2CVE-2001-0559Paul vixie vixie cron vulnerabilitycrontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the failed parsing of a modification operation, which could allow a l…EPSS 1.1%7.2CVE-1999-0769Paul vixie vixie cron vulnerabilityVixie Cron on Linux systems allows local users to set parameters of sendmail commands via the MAILTO environmental variable.EPSS 0.80%7.2CVE-1999-0872Paul vixie vixie cron vulnerabilityBuffer overflow in Vixie cron allows local users to gain root access via a long MAILTO environment variable in a crontab file.EPSS 0.36%7.2CVE-1999-0297Paul vixie vixie cron vulnerabilityBuffer overflow in Vixie Cron library up to version 3.0 allows local users to obtain root access via a long environmental variable.EPSS 0.40%3.7CVE-2000-1096Paul vixie vixie cron vulnerabilitycrontab by Paul Vixie uses predictable file names for a temporary file and does not properly ensure that the file is owned by the user executing the …EPSS 0.79%3.3CVE-2010-0424Fedorahosted cronie link following vulnerabilityThe edit_cmd function in crontab.c in (1) cronie before 1.4.4 and (2) Vixie cron (vixie-cron) allows local users to change the modification times of …EPSS 0.35%2.1CVE-2007-1856Paul vixie vixie cron vulnerabilityVixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure…EPSS 0.38%

Source: NIST National Vulnerability Database (record CVE-2001-0560), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.