How severe is CVE-2011-4578?

CVE-2011-4578 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2011-4578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4578?

CVE-2011-4578 primarily affects Tedfelix Acpid2. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4578?

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

When was CVE-2011-4578 published?

CVE-2011-4578 was published on 2012-08-29 and last updated on 2026-06-16.

CVE-2011-4578

CVE-2011-4578 is a medium-severity vulnerability in Tedfelix Acpid2 with a CVSS 2.0 base score of 4.6. 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 4.6)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Tedfelix Acpid2
Published: 2012-08-29
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2011-4578?: 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.
How severe is CVE-2011-4578?: CVE-2011-4578 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2011-4578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4578?: CVE-2011-4578 primarily affects Tedfelix Acpid2. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4578?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4578 published?: CVE-2011-4578 was published on 2012-08-29 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:tedfelix:acpid2:*:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:tedfelix:acpid2:2.0.9:*:*:*:*:*:*:*

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