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Fencer Vulns
medium 6.9

CVE-2009-4235 json

acpid 1.0.4 sets an unrestrictive umask, which might allow local users to leverage weak permissions on /var/log/acpid, and obtain sensitive…

published 2009-12-08 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4204

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

acpid 1.0.4 sets an unrestrictive umask, which might allow local users to leverage weak permissions on /var/log/acpid, and obtain sensitive information by reading this file or cause a denial of service by overwriting this file, a different vulnerability than CVE-2009-4033.

Patch / fix

  • acpid Debian 14, Debian 13, Debian 12 1.0.6

debian advisories DEBIAN-CVE-2009-4235

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-4235 updated cvss 6.9

acpid: log file created with random permissions

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.