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CVE-2013-3221

18
FAUCET Score

CVE-2013-3221 describes a data-type injection vulnerability in the Active Record component of Ruby on Rails versions 2.3.x, 3.0.x, 3.1.x, and 3.2.x. This flaw allows remote attackers to bypass intended data type checks during database comparisons, potentially leading to unauthorized data access or manipulation. With a CVSS score of 6.4 (medium severity), it can be exploited remotely with low attack complexity, resulting in partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.0CPE matchmatch criteria
cpe:2.3:a:rubyonrails:rails:2.3.0:*:*:*:*:*:*:*
2.3.1CPE matchmatch criteria
cpe:2.3:a:rubyonrails:rails:2.3.1:*:*:*:*:*:*:*
2.3.2CPE matchmatch criteria
cpe:2.3:a:rubyonrails:rails:2.3.2:*:*:*:*:*:*:*
2.3.3CPE matchmatch criteria
cpe:2.3:a:rubyonrails:rails:2.3.3:*:*:*:*:*:*:*
2.3.4CPE matchmatch criteria
cpe:2.3:a:rubyonrails:rails:2.3.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.95%
Probability of exploitation in next 30 days
EPSS Percentile
78.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0195 is in the 66th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rubygemspatch availablevia ghsa
Product: activerecordFixed in: 4.2.0

Vendor Advisories (2)

rubygemsGHSA-f57c-hx33-hvh8critical

Active Record component in Ruby on Rails has a data-type injection vulnerability

May 14, 2022
redhatCVE-2013-3221Low

rubygem-activerecord: Data-type injection attacks due absent database column data type (input vs stored value) check

Feb 7, 2013

References

openwall.com / lists/oss-security/2013/02/06/7
openwall.com / lists/oss-security/2013/04/24/7
pl.reddit.com / r/netsec/comments/17yajp/mysql_madness_and_rails
gist.github.com / dakull/5442275
groups.google.com / group/rubyonrails-security/msg/1f3bc0b88a60c1ce
phenoelit.org / blog/archives/2013/02/index.html
Exploit