CVE-2011-1159

Exp

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.

Published: 2011-10-05 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1159 is rated Exploit Available (50/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.09%). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-1159

EDB-ID Source Kind Published Link
35240 exploit_db edb 2011-01-19 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1159

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.16% 1.09% +0.93%
2 2025-06-05 0.05% 0.16% +0.11%
3 2024-12-17 — 0.05% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1159

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2011-1159

OS Trackers for CVE-2011-1159

vendor priority summary link
debian not yet assigned CVE-2011-1159 not yet assigned priority: Debian including 1 source packages (acpid), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-1159
redhat low — https://access.redhat.com/security/cve/CVE-2011-1159
ubuntu medium CVE-2011-1159 medium priority: Ubuntu including 1 source packages (acpid), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2011-1159

Affected software / configurations for CVE-2011-1159

Vendor Product Version Raw CPE
tedfelix acpid <= 2.0.8 cpe:2.3:a:tedfelix:acpid:*:*:*:*:*:*:*:*
tedfelix acpid 1.0.8 cpe:2.3:a:tedfelix:acpid:1.0.8:*:*:*:*:*:*:*
tedfelix acpid 1.0.10 cpe:2.3:a:tedfelix:acpid:1.0.10:*:*:*:*:*:*:*
tedfelix acpid 2.0.0 cpe:2.3:a:tedfelix:acpid:2.0.0:*:*:*:*:*:*:*
tedfelix acpid 2.0.1 cpe:2.3:a:tedfelix:acpid:2.0.1:*:*:*:*:*:*:*
tedfelix acpid 2.0.2 cpe:2.3:a:tedfelix:acpid:2.0.2:*:*:*:*:*:*:*
tedfelix acpid 2.0.3 cpe:2.3:a:tedfelix:acpid:2.0.3:*:*:*:*:*:*:*
tedfelix acpid 2.0.4 cpe:2.3:a:tedfelix:acpid:2.0.4:*:*:*:*:*:*:*
tedfelix acpid 2.0.5 cpe:2.3:a:tedfelix:acpid:2.0.5:*:*:*:*:*:*:*
tedfelix acpid 2.0.7 cpe:2.3:a:tedfelix:acpid:2.0.7:*:*:*:*:*:*:*
tedfelix acpid 2.06 cpe:2.3:a:tedfelix:acpid:2.06:*:*:*:*:*:*:*

References for CVE-2011-1159

cvelogic Threat Intelligence