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.
Published 2013-01-30 12:00:09
Updated 2023-02-13 04:41:09
Source Red Hat, Inc.
View at NVD,
Vulnerability category: Sql InjectionExecute code

Threat overview for CVE-2013-0333

Top countries where our scanners detected CVE-2013-0333
Top open port discovered on systems with this issue 80
IPs affected by CVE-2013-0333 144
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2013-0333!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2013-0333

Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2013-0333

  • Ruby on Rails JSON Processor YAML Deserialization Scanner
    First seen: 2020-04-26
    This module attempts to identify Ruby on Rails instances vulnerable to an arbitrary object instantiation flaw in the JSON request processor. Authors: - jjarmoc - hdm <>
  • Ruby on Rails JSON Processor YAML Deserialization Code Execution
    Disclosure Date: 2013-01-28
    First seen: 2020-04-26
    This module exploits a remote code execution vulnerability in the JSON request processor of the Ruby on Rails application framework. This vulnerability allows an attacker to instantiate a remote object, which in turn can be used to execute any ruby code remotely in

CVSS scores for CVE-2013-0333

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

References for CVE-2013-0333

Products affected by CVE-2013-0333

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