How severe is CVE-2006-3694?

CVE-2006-3694 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2006-3694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3694?

CVE-2006-3694 primarily affects Yukihiro Matsumoto Ruby. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-3694?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-3694 published?

CVE-2006-3694 was published on 2006-07-21 and last updated on 2026-06-16.

CVE-2006-3694

CVE-2006-3694 is a medium-severity vulnerability in Yukihiro Matsumoto Ruby with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Yukihiro Matsumoto Ruby
Published: 2006-07-21
Last modified: 2026-06-16

Description

Multiple unspecified vulnerabilities in Ruby before 1.8.5 allow remote attackers to bypass "safe level" checks via unspecified vectors involving (1) the alias function and (2) "directory operations".

Frequently asked questions

What is CVE-2006-3694?: Multiple unspecified vulnerabilities in Ruby before 1.8.5 allow remote attackers to bypass "safe level" checks via unspecified vectors involving (1) the alias function and (2) "directory operations".
How severe is CVE-2006-3694?: CVE-2006-3694 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2006-3694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3694?: CVE-2006-3694 primarily affects Yukihiro Matsumoto Ruby. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3694?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3694 published?: CVE-2006-3694 was published on 2006-07-21 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:yukihiro_matsumoto:ruby:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:yukihiro_matsumoto:ruby:1.8.3:*:*:*:*:*:*:*
cpe:2.3:a:yukihiro_matsumoto:ruby:1.8.4:*:*:*:*:*:*:*

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