CVE-2013-2617: lib/curl.rb in the Curl Gem for Ruby allows remote attackers to execute arbitrary commands via shell metachara

This month

HIGH 7.5MITIGATE

CVE-2013-2617 is a high-severity flaw (CVSS 7.5) affecting curl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

lib/curl.rb in the Curl Gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

Why this priority

High severity
EPSS top 9%: very likely to be exploited

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.4% (top 9%)
CISA exploited list	No
Weakness	CWE-94
Published	2013-03-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: curl project

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

Am I affected?

Timeline

2013-03-20 22:55 UTCPublished CVE record published
2026-06-16 23:53 UTCUpdated Record last modified

curl project curl MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2013-2617?

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

Is CVE-2013-2617 being exploited?

CVE-2013-2617 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-2013-2617 affect?

CVE-2013-2617 affects curl. Severity is high (CVSS 7.5). lib/curl.rb in the Curl Gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

How urgent is CVE-2013-2617?

Priority 49/100. High severity; EPSS top 9%: very likely to be exploited

Software pages

curl vulnerabilities · Ruby vulnerabilities

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References

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