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CVE-2021-20220

n/a / undertow PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
n/a / undertowaffected Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.Final

CWE

CWE-444

References

ADP enrichment

CVE

No English description supplied.