How severe is CVE-2012-2694?

CVE-2012-2694 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-2694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2694?

CVE-2012-2694 primarily affects Rubyonrails Rails. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2694?

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

When was CVE-2012-2694 published?

CVE-2012-2694 was published on 2012-06-22 and last updated on 2026-06-16.

CVE-2012-2694

CVE-2012-2694 is a medium-severity vulnerability in Rubyonrails Rails with a CVSS 2.0 base score of 4.3. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Rubyonrails Rails
Published: 2012-06-22
Last modified: 2026-06-16

Description

actionpack/lib/action_dispatch/http/request.rb in Ruby on Rails before 3.0.14, 3.1.x before 3.1.6, and 3.2.x before 3.2.6 does not properly consider differences in parameter handling between the Active Record component and the Rack interface, which allows remote attackers to bypass intended database-query restrictions and perform NULL checks via a crafted request, as demonstrated by certain "['xyz', nil]" values, a related issue to CVE-2012-2660.

Frequently asked questions

What is CVE-2012-2694?: actionpack/lib/action_dispatch/http/request.rb in Ruby on Rails before 3.0.14, 3.1.x before 3.1.6, and 3.2.x before 3.2.6 does not properly consider differences in parameter handling between the Active Record component and the Rack interface, which allows remote attackers to bypass intended database-query restrictions and perform NULL checks via a crafted request, as demonstrated by certain "['xyz', nil]" values, a related issue to CVE-2012-2660.
How severe is CVE-2012-2694?: CVE-2012-2694 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-2694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2694?: CVE-2012-2694 primarily affects Rubyonrails Rails. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2694?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2694 published?: CVE-2012-2694 was published on 2012-06-22 and last updated on 2026-06-16.

References

Affected products (74)

cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:rc:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.1:pre:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.2:pre:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.4:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.5:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc5:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.10:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.12:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.13:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:ruby_on_rails:*:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:ruby_on_rails:3.0.4:*:*:*:*:*:*:*

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