Is CVE-2013-0333 in the CISA KEV catalog?

No. CVE-2013-0333 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-0333?

CVE-2013-0333 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2013-0333?

CVE-2013-0333 has an EPSS score of 98.58% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-0333

HIGHEPSS 100th pctl

7.5

CVSS v2

NVD

Description

lib/active_support/json/backends/yaml.rb in Ruby on Rails 2.3.x before 2.3.16 and 3.0.x before 3.0.20 does not properly convert JSON data to YAML data for processing by a YAML parser, which allows remote attackers to execute arbitrary code, conduct SQL injection attacks, or bypass authentication via crafted data that triggers unsafe decoding, a different vulnerability than CVE-2013-0156.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

98.58%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.