CVE-2004-1033

Fcron 2.0.1, 2.9.4, and possibly earlier versions leak file descriptors of open files, which allows local users to bypass access restrictions and read fcron.allow and fcron.deny via the EDITOR environment variable.

Published: 2005-03-01 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1033 is rated Low Risk (18.5/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.36%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-1033

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.07% 0.36% +0.29%
2 2025-03-17 0.04% 0.07% +0.03%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1033

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2004-1033

OS Trackers for CVE-2004-1033

vendor priority summary link
ubuntu medium CVE-2004-1033 medium priority: Ubuntu including 1 source packages (fcron), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2004-1033

Affected software / configurations for CVE-2004-1033

Vendor Product Version Raw CPE
thibault_godouet fcron 2.0.1 cpe:2.3:a:thibault_godouet:fcron:2.0.1:*:*:*:*:*:*:*
thibault_godouet fcron 2.9.4 cpe:2.3:a:thibault_godouet:fcron:2.9.4:*:*:*:*:*:*:*
gentoo linux cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*

References for CVE-2004-1033

cvelogic Threat Intelligence