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CVE-2021-20220 A flaw was found in Undertow

Description

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.

Affected products and versions

Product Affected versions Fixed in
Undertow Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Undertow

The 14 CVEs of Undertow →
CVE-2022-4492 The undertow client is not checking the server identity presented by the server certificate in https connections Not rated CVE-2022-2764 A flaw was found in Undertow Not rated CVE-2022-1259 A flaw was found in Undertow Not rated CVE-2022-1319 A flaw was found in Undertow Not rated
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