CVE-2012-3512: Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root

Q: How do I fix CVE-2012-3512?

munin: upgrade to newer than 2.0.5. Exact commands for each OS are on this page.

Q: Is CVE-2012-3512 being exploited?

CVE-2012-3512 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2012-3512 affect?

CVE-2012-3512 affects munin. Severity is high (CVSS 7.2). Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin.

Q: How urgent is CVE-2012-3512?

Priority 42/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2012-3512 is a high-severity flaw (CVSS 7.2) affecting munin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-264
Published	2012-11-21
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: munin-monitoring

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-11-21 23:55 UTCPublished CVE record published
2026-06-16 23:43 UTCUpdated Record last modified

munin-monitoring munin UPGRADE

Affected: <= 2.0.5 · 2.0-beta1 · 2.0-beta2 · 2.0-beta3 · 2.0-beta4 · 2.0-beta5 · 2.0-beta6 · 2.0-beta7

Fixed in: newer than 2.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy munin || rpm -q munin || munin --version

2. UPGRADE to newer than 2.0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade munin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade munin

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2012-3512?

munin: upgrade to newer than 2.0.5. Exact commands for each OS are on this page.

Is CVE-2012-3512 being exploited?

CVE-2012-3512 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2012-3512 affect?

CVE-2012-3512 affects munin. Severity is high (CVSS 7.2). Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin.

How urgent is CVE-2012-3512?

Priority 42/100. High severity; Public exploit reference

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References

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