CVE-2013-5647: lib/sounder/sound.rb in the sounder gem 1.0.1 for Ruby allows remote attackers to execute arbitrary commands v

This month

HIGH 7.5DOWNGRADE

CVE-2013-5647 is a high-severity flaw (CVSS 7.5) affecting sounder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

lib/sounder/sound.rb in the sounder gem 1.0.1 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a filename.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-94
Published	2013-08-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: adam zaninovich

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

Am I affected?

Timeline

2013-08-29 12:07 UTCPublished CVE record published
2026-06-16 23:59 UTCUpdated Record last modified

adam zaninovich sounder DOWNGRADE

Affected: 1.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.1 (Debian / Ubuntu)

apt-cache madison sounder sudo apt install sounder=<VERSION_BEFORE_1.0.1> sudo apt-mark hold sounder

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sounder sudo dnf downgrade sounder-<VERSION_BEFORE_1.0.1> sudo dnf versionlock add sounder

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2013-5647?

sounder: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-5647 being exploited?

CVE-2013-5647 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-2013-5647 affect?

CVE-2013-5647 affects sounder. Severity is high (CVSS 7.5). lib/sounder/sound.rb in the sounder gem 1.0.1 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a filename.

How urgent is CVE-2013-5647?

Priority 51/100. High severity; Public exploit reference

Software pages

Ruby vulnerabilities

References

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