4.3
CVSSv3

CVE-2021-33683

Published: 14/07/2021 Updated: 28/09/2023
CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8
CVSS v3 Base Score: 4.3 | Impact Score: 1.4 | Exploitability Score: 2.8
VMScore: 356
Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Vulnerability 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.

Vulnerability Trend

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sap web dispatcher 7.53

sap web dispatcher 7.77

sap web dispatcher 7.81

sap web dispatcher 7.22ext

sap web dispatcher 7.49

sap web dispatcher 7.21ext

sap web dispatcher 7.22

sap web dispatcher 7.73

sap web dispatcher 7.82

sap web dispatcher krnl32nuc_7.21

sap web dispatcher krnl32uc_7.21

sap web dispatcher krnl64nuc_7.21

sap web dispatcher krnl64uc_7.21

sap web dispatcher webdisp_7.53

sap web dispatcher 7.8_kernel_7.21

sap internet communication manager 7.21ext

sap internet communication manager 7.22

sap internet communication manager 7.22ext

sap internet communication manager 7.49

sap internet communication manager 7.53

sap internet communication manager 7.73

sap internet communication manager 7.77

sap internet communication manager 7.81

sap internet communication manager 7.82

sap internet communication manager kernel_7.21

sap internet communication manager krnl32nuc_7.21

sap internet communication manager krnl32uc_7.21

sap internet communication manager krnl64nuc_7.21

sap internet communication manager krnl64uc_7.21

sap internet communication manager webdisp_7.53