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CVE-2011-3186

CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers…

Medium4.3EPSS 1.7%
Published
Updated
Reserved
Assigned by
redhat

Description

CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the Content-Type header.

Scores

CVSS scores of CVE-2011-3186, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.3AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS (exploitation in 30 days)
1.7% · top 22% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • n/a

    • affected n/a

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (12)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .