CVE-2011-1784

lowpriority · track · 14EPSS 0.004 · 30 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.37% (30th) EPSS

CVSS 3.6 · low

Is it mine?

58 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.

cvss

Technical severity, 0–10. One row per scoring source.

3.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.03.6lowAV:L/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 4.9

v2.03.1lowAV:L/AC:L/Au:N/C:N/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimary

affected products (58)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
keepalived keepalived≤ 1.2.2nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.2.1nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.2.3nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.2.6nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.2.7nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.3.5nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.3.6nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.3.7nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.3.8nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.4.8nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.4.9nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.4.9anvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.5.3nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.5.5nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.5.6nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.5.7nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.5.8nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.5.9nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*
keepalived keepalived= 0.6.1nvdUScpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*

showing 20 of 58

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-05-20modified 2026-06-16

related (8,955)

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+8950 more

references (33)

External citations — patches, advisories, analysis.

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