CVE-2021-33683
 
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
SAP Web Dispatcher e Internet Communication Manager (ICM), versiones - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 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, procesan un encabezado HTTP no válido. El manejo incorrecto de la cabecera Transfer-Encoding no válida de manera particular conlleva a una posibilidad de ataque de contrabando de peticiones HTTP. Un atacante podría explotar esta vulnerabilidad para omitir la protección del firewall de la aplicación web y desviar datos confidenciales, como peticiones de clientes, credenciales de sesión, etc
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-05-28 CVE Reserved
- 2021-07-14 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CAPEC
References (1)
URL | Tag | Source |
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URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506 | 2023-09-28 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.8_kernel_7.21 Search vendor "Sap" for product "Web Dispatcher" and version "7.8_kernel_7.21" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.21ext Search vendor "Sap" for product "Web Dispatcher" and version "7.21ext" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.22 Search vendor "Sap" for product "Web Dispatcher" and version "7.22" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.22ext Search vendor "Sap" for product "Web Dispatcher" and version "7.22ext" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.49 Search vendor "Sap" for product "Web Dispatcher" and version "7.49" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.53 Search vendor "Sap" for product "Web Dispatcher" and version "7.53" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.73 Search vendor "Sap" for product "Web Dispatcher" and version "7.73" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.77 Search vendor "Sap" for product "Web Dispatcher" and version "7.77" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.81 Search vendor "Sap" for product "Web Dispatcher" and version "7.81" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | 7.82 Search vendor "Sap" for product "Web Dispatcher" and version "7.82" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | krnl32nuc_7.21 Search vendor "Sap" for product "Web Dispatcher" and version "krnl32nuc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | krnl32uc_7.21 Search vendor "Sap" for product "Web Dispatcher" and version "krnl32uc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | krnl64nuc_7.21 Search vendor "Sap" for product "Web Dispatcher" and version "krnl64nuc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | krnl64uc_7.21 Search vendor "Sap" for product "Web Dispatcher" and version "krnl64uc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Web Dispatcher Search vendor "Sap" for product "Web Dispatcher" | webdisp_7.53 Search vendor "Sap" for product "Web Dispatcher" and version "webdisp_7.53" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.21ext Search vendor "Sap" for product "Internet Communication Manager" and version "7.21ext" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.22 Search vendor "Sap" for product "Internet Communication Manager" and version "7.22" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.22ext Search vendor "Sap" for product "Internet Communication Manager" and version "7.22ext" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.49 Search vendor "Sap" for product "Internet Communication Manager" and version "7.49" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.53 Search vendor "Sap" for product "Internet Communication Manager" and version "7.53" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.73 Search vendor "Sap" for product "Internet Communication Manager" and version "7.73" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.77 Search vendor "Sap" for product "Internet Communication Manager" and version "7.77" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.81 Search vendor "Sap" for product "Internet Communication Manager" and version "7.81" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | 7.82 Search vendor "Sap" for product "Internet Communication Manager" and version "7.82" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | kernel_7.21 Search vendor "Sap" for product "Internet Communication Manager" and version "kernel_7.21" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | krnl32nuc_7.21 Search vendor "Sap" for product "Internet Communication Manager" and version "krnl32nuc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | krnl32uc_7.21 Search vendor "Sap" for product "Internet Communication Manager" and version "krnl32uc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | krnl64nuc_7.21 Search vendor "Sap" for product "Internet Communication Manager" and version "krnl64nuc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | krnl64uc_7.21 Search vendor "Sap" for product "Internet Communication Manager" and version "krnl64uc_7.21" | - |
Affected
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Sap Search vendor "Sap" | Internet Communication Manager Search vendor "Sap" for product "Internet Communication Manager" | webdisp_7.53 Search vendor "Sap" for product "Internet Communication Manager" and version "webdisp_7.53" | - |
Affected
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