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CVE-2021-33683

SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, and 5 more
None on Exploit-DB, Metasploit or GitHub

Summary

SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.73, WEBDISP 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, KERNEL 7.21, 7.22, 7.49, 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, process invalid HTTP header. The incorrect handling of the invalid Transfer-Encoding header in a particular manner leads to a possibility of HTTP Request Smuggling attack. An attacker could exploit this vulnerability to bypass web application firewall protection, divert sensitive data such as customer requests, session credentials, etc.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • SAP SE SAP Web Dispatcher and Internet Communication Manager

    fixed in 7.21EXT; fixed in 7.22; fixed in 7.22EXT; fixed in 7.49; fixed in 7.53; fixed in 7.73; fixed in 7.77; fixed in 7.81; fixed in 7.82; fixed in 7.83

References 2

wiki.scn.sap.com

launchpad.support.sap.com