CVE-2009-3589

incron 0.5.5 does not initialize supplementary groups when running a process from a user's incrontabs, which causes the process to be run with the incrond supplementary groups and allows local users to gain privileges via an incrontab table.

Published: 2009-10-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-3589 is rated Low Risk (26.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.30%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2009-3589

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 0.05% 0.30% +0.25%
2 2025-03-17 0.04% 0.05% +0.01%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3589

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2009-3589

OS Trackers for CVE-2009-3589

vendor priority summary link
debian not yet assigned CVE-2009-3589 not yet assigned priority: Debian including 1 source packages (incron), 4 status rows across 4 suites (bookworm, forky, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2009-3589
ubuntu low CVE-2009-3589 low priority: Ubuntu including 1 source packages (incron), 9 status rows across 9 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, upstream): not-affected 4, ignored 3, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2009-3589

Affected software / configurations for CVE-2009-3589

Vendor Product Version Raw CPE
inotify incron 0.5.5 cpe:2.3:a:inotify:incron:0.5.5:*:*:*:*:*:*:*

References for CVE-2009-3589

cvelogic Threat Intelligence