How severe is CVE-2009-4033?

CVE-2009-4033 has a CVSS 2.0 base score of 6.9, rated medium severity.

Is CVE-2009-4033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4033?

CVE-2009-4033 affects Tim Hockin Acpid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-4033?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4033 published?

CVE-2009-4033 was published on 2009-12-08 and last updated on 2026-06-16.

CVE-2009-4033

CVE-2009-4033 is a medium-severity vulnerability in Tim Hockin Acpid with a CVSS 2.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.9)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Tim Hockin Acpid
Published: 2009-12-08
Last modified: 2026-06-16

Description

A certain Red Hat patch for acpid 1.0.4 effectively triggers a call to the open function with insufficient arguments, which might allow local users to leverage weak permissions on /var/log/acpid, and obtain sensitive information by reading this file, cause a denial of service by overwriting this file, or gain privileges by executing this file.

Frequently asked questions

What is CVE-2009-4033?: A certain Red Hat patch for acpid 1.0.4 effectively triggers a call to the open function with insufficient arguments, which might allow local users to leverage weak permissions on /var/log/acpid, and obtain sensitive information by reading this file, cause a denial of service by overwriting this file, or gain privileges by executing this file.
How severe is CVE-2009-4033?: CVE-2009-4033 has a CVSS 2.0 base score of 6.9, rated medium severity.
Is CVE-2009-4033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4033?: CVE-2009-4033 affects Tim Hockin Acpid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4033 published?: CVE-2009-4033 was published on 2009-12-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:tim_hockin:acpid:1.0.4:*:*:*:*:*:*:*

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