A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
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History
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:30:07.487Z
Reserved: 2020-12-17T00:00:00
Link: CVE-2021-20220

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Status : Modified
Published: 2021-02-23T18:15:13.397
Modified: 2024-11-21T05:46:09.377
Link: CVE-2021-20220


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