// For flags

CVE-2023-33987

Request smuggling and request concatenation in SAP Web Dispatcher

Severity Score

9.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An unauthenticated attacker in SAP Web Dispatcher - versions WEBDISP 7.49, WEBDISP 7.53, WEBDISP 7.54, WEBDISP 7.77, WEBDISP 7.81, WEBDISP 7.85, WEBDISP 7.88, WEBDISP 7.89, WEBDISP 7.90, KERNEL 7.49, KERNEL 7.53, KERNEL 7.54 KERNEL 7.77, KERNEL 7.81, KERNEL 7.85, KERNEL 7.88, KERNEL 7.89, KERNEL 7.90, KRNL64NUC 7.49, KRNL64UC 7.49, KRNL64UC 7.53, HDB 2.00, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, can submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify information on the server or make it temporarily unavailable.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-05-24 CVE Reserved
  • 2023-07-11 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
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
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
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
7.54
Search vendor "Sap" for product "Web Dispatcher" and version "7.54"
-
Affected
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
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
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
7.85
Search vendor "Sap" for product "Web Dispatcher" and version "7.85"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
7.88
Search vendor "Sap" for product "Web Dispatcher" and version "7.88"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
7.89
Search vendor "Sap" for product "Web Dispatcher" and version "7.89"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
7.90
Search vendor "Sap" for product "Web Dispatcher" and version "7.90"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
hdb_2.00
Search vendor "Sap" for product "Web Dispatcher" and version "hdb_2.00"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.49
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.49"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.53
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.53"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.54
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.54"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.77
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.77"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.81
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.81"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.85
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.85"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.88
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.88"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.89
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.89"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
kernel_7.90
Search vendor "Sap" for product "Web Dispatcher" and version "kernel_7.90"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
krnl64nuc_7.49
Search vendor "Sap" for product "Web Dispatcher" and version "krnl64nuc_7.49"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
krnl64uc_7.49
Search vendor "Sap" for product "Web Dispatcher" and version "krnl64uc_7.49"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
krnl64uc_7.53
Search vendor "Sap" for product "Web Dispatcher" and version "krnl64uc_7.53"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
sap_extended_app_services_1
Search vendor "Sap" for product "Web Dispatcher" and version "sap_extended_app_services_1"
-
Affected
Sap
Search vendor "Sap"
Web Dispatcher
Search vendor "Sap" for product "Web Dispatcher"
xs_advanced_runtime_1.00
Search vendor "Sap" for product "Web Dispatcher" and version "xs_advanced_runtime_1.00"
-
Affected