CVE-2021-33683

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.

Affected Software

Weaknesses

• CWE-444: CWE-444 (HTTP Request Smuggling)

ADP Enrichment

CVE Program Container

Additional References

• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506
• https://launchpad.support.sap.com/#/notes/3000663

References

• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506
• https://launchpad.support.sap.com/#/notes/3000663

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