CVE-2014-3514

CVE-2014-3514 is a high-severity vulnerability in Rubyonrails Rails with a CVSS 2.0 base score of 7.5. 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: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 3% (85th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-264
• Affected product: Rubyonrails Rails
• Published: 2014-08-20
• Last modified: 2026-06-17

Description

activerecord/lib/active_record/relation/query_methods.rb in Active Record in Ruby on Rails 4.0.x before 4.0.9 and 4.1.x before 4.1.5 allows remote attackers to bypass the strong parameters protection mechanism via crafted input to an application that makes create_with calls.

Frequently asked questions

What is CVE-2014-3514?

activerecord/lib/active_record/relation/query_methods.rb in Active Record in Ruby on Rails 4.0.x before 4.0.9 and 4.1.x before 4.1.5 allows remote attackers to bypass the strong parameters protection mechanism via crafted input to an application that makes create_with calls.

How severe is CVE-2014-3514?

CVE-2014-3514 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2014-3514 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3514?

CVE-2014-3514 primarily affects Rubyonrails Rails. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3514?

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

When was CVE-2014-3514 published?

CVE-2014-3514 was published on 2014-08-20 and last updated on 2026-06-17.

References

• http://openwall.com/lists/oss-security/2014/08/18/10
• http://rhn.redhat.com/errata/RHSA-2014-1102.html
• http://secunia.com/advisories/60347
• https://groups.google.com/forum/message/raw?msg=rubyonrails-security/M4chq5Sb540/CC1Fh0Y_NWwJ

Affected products (28)

• cpe:2.3:a:rubyonrails:rails:4.0.0:-:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.0:beta:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.1:-:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.1:rc1:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.1:rc2:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.1:rc3:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.1:rc4:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.6:rc1:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.6:rc2:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.6:rc3:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.0:-:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.2:rc1:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.2:rc2:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.2:rc3:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:rubyonrails:rails:4.1.4:*:*:*:*:*:*:*

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