How severe is CVE-2017-1000047?

CVE-2017-1000047 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1000047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000047?

CVE-2017-1000047 affects Rbenv Project Rbenv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000047?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-1000047 published?

CVE-2017-1000047 was published on 2017-07-17 and last updated on 2026-06-17.

CVE-2017-1000047

CVE-2017-1000047 is a critical-severity vulnerability in Rbenv Project Rbenv with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Rbenv Project Rbenv
Published: 2017-07-17
Last modified: 2026-06-17

Description

rbenv (all current versions) is vulnerable to Directory Traversal in the specification of Ruby version resulting in arbitrary code execution

Frequently asked questions

What is CVE-2017-1000047?: rbenv (all current versions) is vulnerable to Directory Traversal in the specification of Ruby version resulting in arbitrary code execution
How severe is CVE-2017-1000047?: CVE-2017-1000047 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-1000047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000047?: CVE-2017-1000047 affects Rbenv Project Rbenv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000047?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-1000047 published?: CVE-2017-1000047 was published on 2017-07-17 and last updated on 2026-06-17.

References

https://github.com/justinsteven/advisories/blob/master/2017_rbenv_ruby_version_directory_traversal.md

Affected products (1)

cpe:2.3:a:rbenv_project:rbenv:*:*:*:*:*:*:*:*

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