CVE-2011-2777 — samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly, which allows local users to gain privileges by running a program with the name kded4 and a DBUS_SESSION_BUS_ADDRESS environment variable containing commands

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MEDIUM

samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly, which allows local users to gain privileges by running a program with the name kded4 and a DBUS_SESSION_BUS_ADDRESS environment variable containing commands

Published Aug 29, 2012

4.4

MEDIUM

CVSS 2.0

EPSS 0.61%

Description

samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly, which allows local users to gain privileges by running a program with the name kded4 and a DBUS_SESSION_BUS_ADDRESS environment variable containing commands.

Remediation

No remediation recorded yet.

Metrics

0.61% 0.00612

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00612

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.61% (0.00612)	47.38th	v5 (v2026.06.15)
Jun 15, 2026	0.61% (0.00612)	44.42th	v5 (v2026.06.15)
Mar 17, 2025	0.13% (0.00131)	30.22th	v4 (v2025.03.14)
Dec 12, 2024	0.06% (0.00061)	27.92th	v3 (v2023.03.01)
May 15, 2024	0.04% (0.00044)	12.45th	v3 (v2023.03.01)
Feb 8, 2024	0.04% (0.00044)	10.44th	v3 (v2023.03.01)
Mar 7, 2023	0.06% (0.00061)	23.77th	v3 (v2023.03.01)
Mar 6, 2023	1.76% (0.01761)	76.53th	v2 (v2022.01.01)
Nov 13, 2022	1.76% (0.01761)	75.97th	v2 (v2022.01.01)
Aug 12, 2022	1.82% (0.01819)	75.92th	v2 (v2022.01.01)
Apr 1, 2022	1.83% (0.01832)	75.09th	v2 (v2022.01.01)
Feb 4, 2022	1.83% (0.01832)	54.44th	v2 (v2022.01.01)

Weaknesses (1)

CWE-264

References (1)

https://bugs.launchpad.net/ubuntu/+source/acpid/+bug/893821
x_refsource_CONFIRM

Link	Providers	Tags
https://bugs.launchpad.net/ubuntu/+source/acpid/+bug/893821		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Aug 29, 2012

Updated Sep 17, 2024

Reserved Jul 19, 2011

Link CVE-2011-2777

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2011-2777

Red Hat

Severity n/a

Public date n/a

Links CVE-2011-2777