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Vulnerabilities

Vulnerability · CVE-2010-3299

The encrypt/decrypt functions in Ruby on Rails 2.3 are vulnerable to padding oracle attacks.

Published Nov 12, 2019 · catalog updated Jun 16, 2026 · The encrypt/decrypt functions in

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2010-3299. EPSS is 1.14%. Act only if a listed version of The encrypt/decrypt functions in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The encrypt/decrypt functions in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.14%
Remediation
Advisory link
Affected products
cpe debian/debian linux · cpe rubyonrails/rails

The encrypt/decrypt functions in Ruby on Rails 2.3 are vulnerable to padding oracle attacks.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux10.0
  • cpe debian/debian linux8.0
  • cpe debian/debian linux9.0
  • cpe rubyonrails/rails2.3

How to fix CVE-2010-3299

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2010-3299. EPSS is 1.14%. Act only if a listed version of The encrypt/decrypt functions in is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 10.0; debian/debian linux 8.0; debian/debian linux 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-311: Missing Encryption of Sensitive Data. EPSS 1.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Ruby on Rails security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 12, 2019 · Monitored products — high

    Detected

    The encrypt/decrypt functions in Ruby on Rails 2.3 are vulnerable to padding oracle attacks.

  2. Jun 16, 2026 · Monitored products — high

    Updated

    The encrypt/decrypt functions in Ruby on Rails 2.3 are vulnerable to padding oracle attacks.

Sources

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 8, 2026
  • Monitored products — highNov 8, 2026