How severe is CVE-2013-1854?

CVE-2013-1854 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-1854 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1854?

CVE-2013-1854 primarily affects Redhat Enterprise Linux. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1854?

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

When was CVE-2013-1854 published?

CVE-2013-1854 was published on 2013-03-19 and last updated on 2026-06-16.

CVE-2013-1854

CVE-2013-1854 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Redhat Enterprise Linux
Published: 2013-03-19
Last modified: 2026-06-16

Description

The Active Record component in Ruby on Rails 2.3.x before 2.3.18, 3.1.x before 3.1.12, and 3.2.x before 3.2.13 processes certain queries by converting hash keys to symbols, which allows remote attackers to cause a denial of service via crafted input to a where method.

Frequently asked questions

What is CVE-2013-1854?: The Active Record component in Ruby on Rails 2.3.x before 2.3.18, 3.1.x before 3.1.12, and 3.2.x before 3.2.13 processes certain queries by converting hash keys to symbols, which allows remote attackers to cause a denial of service via crafted input to a where method.
How severe is CVE-2013-1854?: CVE-2013-1854 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-1854 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1854?: CVE-2013-1854 primarily affects Redhat Enterprise Linux. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1854?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1854 published?: CVE-2013-1854 was published on 2013-03-19 and last updated on 2026-06-16.

References

Affected products (62)

cpe:2.3:a:rubyonrails:rails:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.9:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.10:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.11:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.12:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.13:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.14:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.15:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:2.3.16:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:beta1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc5:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc6:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc7:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc8:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.2:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.2:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.4:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.5:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.7:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.8:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.9:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.10:*:*:*:*:*:*:*

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