CVE-2011-4578
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during...
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
Exploit likelihood
What each source reports
NVD Score used 4.6
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
- Record
CVE-2011-4578- CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE ListNo score
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
- Record
CVE-2011-4578- Updated
- 2026-11-02
EUVDEUVD-2011-4504No score
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
- Record
EUVD-2011-4504- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cvpp-fv5f-8hchNo score
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during...
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
- Record
GHSA-cvpp-fv5f-8hch- Updated
- 2026-11-02
OSVNo score
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
- Record
CVE-2011-4578- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4578No score
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
- Record
DEBIAN-CVE-2011-4578- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
acpidDebian:12 | before 1:2.0.11-1 | 1:2.0.11-1 |
acpidDebian:13 | before 1:2.0.11-1 | 1:2.0.11-1 |
acpidDebian:14 | before 1:2.0.11-1 | 1:2.0.11-1 |
acpidDebian:5.0 From an advisory covering 2 CVEs | before 1.0.8-1lenny4, plus listed versions 1.0.8-11.0.8-1lenny11.0.8-1lenny21.0.8-1lenny3 | 1.0.8-1lenny4 |
acpidDebian:6.0 From an advisory covering 2 CVEs | before 1:2.0.7-1squeeze3, plus listed versions 1:2.0.7-1 | 1:2.0.7-1squeeze3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4578 is a medium vulnerability (CVSS 4.6) in Tedfelix Acpid2, published December 10, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 34th percentile. Fixed in acpid 1:2.0.11-1.
References
bugzilla.redhat.com/show_bug.cgi?id=760984
sourceforge.net/u/tedfelix/acpid2/ci/02d0bf29207f17996936ab652717855b15873901/tree/Changelog?force=True
mandriva.com/security/advisories?name=MDVSA-2012:138
openwall.com/lists/oss-security/2011/12/06/3
bugs.launchpad.net/ubuntu/+source/acpid/+bug/893821
nvd.nist.gov/vuln/detail/CVE-2011-4578
github.com/advisories/GHSA-cvpp-fv5f-8hch
security-tracker.debian.org/tracker/CVE-2011-4578