ActiveRecord in Ruby on Rails before 2.3.17 and 3.x before 3.1.0 allows remote attackers to cause a denial of service or execute arbitrary c
ActiveRecord in Ruby on Rails before 2.3.17 and 3.x before 3.1.0 allows remote attackers to cause a denial of service or execute arbitrary code via crafted serialized attributes that cause the +serialize+ helper to deserialize arbitrary YAML.
- Published
- Feb 12, 2013
- Updated
- Jun 16, 2026
- EPSS
- 7.5% · 94th percentile
- CWE
- —
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Report tools
Action score
42
Plan
Add it to your regular patch cycle.
- CVSS
- 40 / 40 · 10.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 7.5%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| rubyonrails | rails | cpe:2.3:a:rubyonrails:rails |
| rubyonrails | ruby on rails | cpe:2.3:a:rubyonrails:ruby_on_rails |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- rubyonrails rails2.3.0
- rubyonrails rails2.3.1
- rubyonrails rails2.3.10
- rubyonrails rails2.3.11
- rubyonrails rails2.3.12
- rubyonrails rails2.3.13
- rubyonrails rails2.3.14
- rubyonrails rails2.3.15
- rubyonrails rails2.3.16
- rubyonrails rails2.3.2
- rubyonrails rails2.3.3
- rubyonrails rails2.3.4
- rubyonrails rails2.3.9
- rubyonrails rails3.0.0
- rubyonrails rails3.0.1
- rubyonrails rails3.0.10
- rubyonrails rails3.0.11
- rubyonrails rails3.0.12
- rubyonrails rails3.0.13
- rubyonrails rails3.0.14
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | rails | before 2.3.14.1 | 2.3.14.1 |
| Debian:6.0 | rails | before 2.3.5-1.2+squeeze7 | 2.3.5-1.2+squeeze7 |
| RubyGems | activerecord | from 3.0.0 · before 3.1.0 | 3.1.0 |
| RubyGems | activerecord | before 2.3.17 | 2.3.17 |
Same product
rubyonrails: all recordsOther highest-scoring records for the same primary product.
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- CVE-2016-0752Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, anKEV89Now
- CVE-2019-5420A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically gene66This week
- CVE-2020-8163The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument o60This week
- CVE-2013-0156active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.160This week
- CVE-2013-0333lib/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 to59Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:rails | 2.3.14.1 · Debian:12 | Package registry (OSV) |
| RubyGems:activerecord | 2.3.17 | Package registry (OSV) |
| RubyGems:activerecord | 3.1.0 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- lists.opensuse.org/opensuse-updates/2013-03/msg00048.html
- secunia.com/advisories/52112
- securitytracker.com/id?1028109
- support.apple.com/kb/HT5784
- weblog.rubyonrails.org/2013/2/11/SEC-ANN-Rails-3-2-12-3-1-11-and-2-3-17-have-been-released/
- www.debian.org/security/2013/dsa-2620
- www.openwall.com/lists/oss-security/2013/02/11/6
- www.osvdb.org/90073
- groups.google.com/group/rubyonrails-security/msg/302ec7ce90f13837?dmode=source&output=gplain
- puppet.com/security/cve/cve-2013-0277
Vendor advisories and official records. Exploit/PoC links are deliberately left out.