Vulnerability Monitor

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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, 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.

Published

2021-07-14T12:15:09.237

Last Modified

2024-11-21T06:09:21.507

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-444
  • Type: Primary
    CWE-444
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application sap web_dispatcher 7.8_kernel_7.21 Yes
Application sap web_dispatcher 7.21ext Yes
Application sap web_dispatcher 7.22 Yes
Application sap web_dispatcher 7.22ext Yes
Application sap web_dispatcher 7.49 Yes
Application sap web_dispatcher 7.53 Yes
Application sap web_dispatcher 7.73 Yes
Application sap web_dispatcher 7.77 Yes
Application sap web_dispatcher 7.81 Yes
Application sap web_dispatcher 7.82 Yes
Application sap web_dispatcher krnl32nuc_7.21 Yes
Application sap web_dispatcher krnl32uc_7.21 Yes
Application sap web_dispatcher krnl64nuc_7.21 Yes
Application sap web_dispatcher krnl64uc_7.21 Yes
Application sap web_dispatcher webdisp_7.53 Yes
Application sap internet_communication_manager 7.21ext Yes
Application sap internet_communication_manager 7.22 Yes
Application sap internet_communication_manager 7.22ext Yes
Application sap internet_communication_manager 7.49 Yes
Application sap internet_communication_manager 7.53 Yes
Application sap internet_communication_manager 7.73 Yes
Application sap internet_communication_manager 7.77 Yes
Application sap internet_communication_manager 7.81 Yes
Application sap internet_communication_manager 7.82 Yes
Application sap internet_communication_manager kernel_7.21 Yes
Application sap internet_communication_manager krnl32nuc_7.21 Yes
Application sap internet_communication_manager krnl32uc_7.21 Yes
Application sap internet_communication_manager krnl64nuc_7.21 Yes
Application sap internet_communication_manager krnl64uc_7.21 Yes
Application sap internet_communication_manager webdisp_7.53 Yes
References