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Vulnerability record · CVE-2004-1031 · published 1 March 2005

CVE-2004-1031: Thibault godouet fcron vulnerability

TThibault Godouet · Fcron

fcronsighup in Fcron 2.0.1, 2.9.4, and possibly earlier versions allows local users to bypass access restrictions and load an arbitrary configuration file by starting an suid process and pointing the fcronsighup configuration file to a /proc entry that is owned by root but modifiable by the user, such as /proc/self/cmdline or /proc/self/environ.

7.2 CVSS 2.0 High EPSS 0.37% · top 71.5%
7.2CVSS 2.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

fcronsighup in Fcron 2.0.1, 2.9.4, and possibly earlier versions allows local users to bypass access restrictions and load an arbitrary configuration file by starting an suid process and pointing the fcronsighup configuration file to a /proc entry that is owned by root but modifiable by the user, such as /proc/self/cmdline or /proc/self/environ.

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

Affected products

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

References

LinkTags
http://security.gentoo.org/glsa/glsa-200411-27.xml
http://www.idefense.com/application/poi/display?id=157&type=vulnerabilities&flashstatus=false
http://www.securityfocus.com/bid/11684 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/18076
http://security.gentoo.org/glsa/glsa-200411-27.xml
http://www.idefense.com/application/poi/display?id=157&type=vulnerabilities&flashstatus=false
http://www.securityfocus.com/bid/11684 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/18076

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2004-1031), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.