CVE-2024-47220

WEBrick: HTTP request smuggling

Published Sep 22, 2024 CVSS 3.1 · 7.5 High EPSS n/a KEV · Not listed
Description
DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-6f62-3596-g6w7 HTTP Request Smuggling in ruby webrick
Ubuntu USN Ubuntu USN USN-7057-1 WEBrick vulnerability
Ubuntu USN Ubuntu USN USN-7057-2 WEBrick vulnerability
Ubuntu USN Ubuntu USN USN-7840-1 Ruby vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ruby:webrick:*:*:*:*:*:*:*:*
Vendors & Products Ruby
Ruby webrick
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. It allows HTTP request smuggling by providing both a Content-Length header and a Transfer-Encoding header, e.g., "GET /admin HTTP/1.1\r\n" inside of a "POST /user HTTP/1.1\r\n" request. NOTE: the supplier's position is "Webrick should not be used in production." DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.
Type Values Removed Values Added
First Time appeared Redhat
Redhat logging
CPEs cpe:/a:redhat:logging:5.9::el9
Vendors & Products Redhat
Redhat logging
Type Values Removed Values Added
First Time appeared Ruby
Ruby webrick
CPEs cpe:2.3:a:ruby:webrick:*:*:*:*:*:*:*:*
Vendors & Products Ruby
Ruby webrick
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title WEBrick: HTTP request smuggling
Weaknesses CWE-444
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
Description An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. It allows HTTP request smuggling by providing both a Content-Length header and a Transfer-Encoding header, e.g., "GET /admin HTTP/1.1\r\n" inside of a "POST /user HTTP/1.1\r\n" request. NOTE: the supplier's position is "Webrick should not be used in production."
References
Weaknesses

Sources

Status
REJECTED
Assigner
mitre
Published
Updated
Jul 21, 2026, 1:15 PM
Reserved
Sep 22, 2024, 12:00 AM
Status
Rejected
Published
Sep 22, 2024, 1:15 AM
Modified
Jul 21, 2026, 2:16 PM
Severity
Moderate
Public date
Sep 22, 2024, 1:15 AM