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CVE-2009-4033

18
FAUCET Score

CVE-2009-4033 describes a vulnerability in a specific Red Hat patch for acpid 1.0.4, where an insufficient argument call to the open function can lead to local users exploiting weak permissions on /var/log/acpid. This flaw carries a CVSS score of 6.9 (High) due to its potential for complete confidentiality, integrity, and availability impact (C:C/I:C/A:C) through reading, overwriting, or executing the log file. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.4CPE matchmatch criteria
cpe:2.3:a:tim_hockin:acpid:1.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 20th percentile among its peer group of 1,595 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: acpid-0:1.0.4-9.el5_4.1
View patch

Vendor Advisories (1)

redhatCVE-2009-4033Important

acpid: log file created with random permissions

Dec 7, 2009

References

bugzilla.redhat.com / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/54677
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10555
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2009-1642.html
securityfocus.com / bid/37249