CVE-2013-1898: lib/thumbshooter.rb in the Thumbshooter 0.1.5 gem for Ruby allows remote attackers to execute arbitrary comman

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HIGH 7.5DOWNGRADE

CVE-2013-1898 is a high-severity flaw (CVSS 7.5) affecting thumbshooter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

lib/thumbshooter.rb in the Thumbshooter 0.1.5 gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-94
Published	2013-04-09
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: digineo

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

Am I affected?

Timeline

2013-04-09 20:55 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

digineo thumbshooter DOWNGRADE

Affected: 0.1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1.5 (Debian / Ubuntu)

apt-cache madison thumbshooter sudo apt install thumbshooter=<VERSION_BEFORE_0.1.5> sudo apt-mark hold thumbshooter

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

dnf --showduplicates list thumbshooter sudo dnf downgrade thumbshooter-<VERSION_BEFORE_0.1.5> sudo dnf versionlock add thumbshooter

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-2013-1898?

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

Is CVE-2013-1898 being exploited?

CVE-2013-1898 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-2013-1898 affect?

CVE-2013-1898 affects thumbshooter. Severity is high (CVSS 7.5). lib/thumbshooter.rb in the Thumbshooter 0.1.5 gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

How urgent is CVE-2013-1898?

Priority 47/100. High severity

Software pages

Ruby vulnerabilities

References

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