HTTP pipelining issues and request smuggling attacks are possible due to incorrect Transfer encoding header parsing. It is possible conduct HTTP request smuggling attacks (CL:TE/TE:TE) by sending invalid Transfer Encoding headers. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack, or obtain sensitive information from requests other than their own.
{ "nvd_published_at": "2020-12-31T10:15:00Z", "cwe_ids": [ "CWE-444" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2021-08-19T20:56:20Z" }