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."
This CVE has been withdrawn by MITRE
MITRE marked CVE-2024-47220 as REJECTED on . It is no longer considered a valid vulnerability record. The original content below is preserved for historical reference only.
Reason given by MITRE
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 Reason: This record was withdrawn by its CNA.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.
CVE-2024-47220
✕ Withdrawn — historical dataUNRATEDCVSS · not yet scored
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- CVSS v3
- —
- EchelonGraph score
- Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
- EPSS PROB
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- EPSS %ILE
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- KEV
- —Not applicable: this CVE ID was withdrawn
Published
September 22, 2024
Last Modified
July 17, 2026
Frequently asked(3)
What is CVE-2024-47220?
CVE-2024-47220 is a rejected CVE ID: its record was withdrawn on July 21, 2026 and no longer describes a vulnerability. Reason given: 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 Reason: This record was withdrawn by its CNA.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.
When was the CVE record for CVE-2024-47220 published?
The CVE record for CVE-2024-47220 was published on September 22, 2024. EchelonGraph's copy of the record carries a last-modified date of July 17, 2026; the record at its source may have been updated since.
How do I remediate CVE-2024-47220?
There is nothing to remediate under CVE-2024-47220: it is a rejected (withdrawn) CVE ID and no longer describes a vulnerability.