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CVE-2009-4235

19
FAUCET Score

CVE-2009-4235 describes a vulnerability in acpid version 1.0.4 where an unrestrictive umask allows local users to exploit weak permissions on the /var/log/acpid file. This could lead to sensitive information disclosure or a denial of service through file overwriting. The vulnerability has a CVSS score of 6.9, indicating a high severity with local access, medium attack complexity, and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

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
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 22nd percentile among its peer group of 1,595 CVEs.

Social Chatter

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

Vendor Advisories (1)

redhatCVE-2009-4235Important

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/54676
debian.org / security/2009/dsa-1960
mandriva.com / security/advisories
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2009-1642.html
Patch