Is CVE-2011-1159 in the CISA KEV catalog?

No. CVE-2011-1159 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1159?

CVE-2011-1159 has a CVSS v2 base score of 2.1 (LOW).

What is the EPSS score for CVE-2011-1159?

CVE-2011-1159 has an EPSS score of 1.09% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1159?

Upgrade acpid on debian 11 to 1:2.0.9-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-1159

LOW

2.1

CVSS v2

NVD

Description

acpid.c in acpid before 2.0.9 does not properly handle a situation in which a process has connected to acpid.socket but is not reading any data, which allows local users to cause a denial of service (daemon hang) via a crafted application that performs a connect system call but no read system calls.

CWE-20Improper Input Validation

How to fix

Remediation Available

acpidDebian

Fixed in:1:2.0.9-1CVE-2011-1159

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.09%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Patch6

Vendor Advisory2

Other references1

securityfocus.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.