CVE Vulnerability

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://launchpad.support.sap.com/#/notes/3000663 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.49:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.53:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.73:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.77:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.81:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.82:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl32nuc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.21ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.22ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl32uc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl64nuc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl64uc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:webdisp_7.53:*:*:*:*:*:*:*
cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:kernel_7.21:*:*:*:*:*:*:*
Information

Published : 2021-07-14 12:15

Updated : 2021-07-27 02:22

NVD link : CVE-2021-33683

Mitre link : CVE-2021-33683

Products Affected
No products.
CWE
CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')