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Vulnerability Intelligence Report
Request smuggling and request concatenation in SAP Web Dispatcher

CVE-2023-33987

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.

No Active Exploit Signals
CVSS Base Score
8.6
HIGH
Exploitability:3.9
Impact Score:4.0
EPSS Probability:0.58%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—

Weaknesses (CWE)

CWE-444 ↗CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Affected Products & Versions

Vendor Product Affected Versions
SAP_SE SAP Web Dispatcher WEBDISP 7.49 (affected), WEBDISP 7.53 (affected), WEBDISP 7.54 (affected), WEBDISP 7.77 (affected), WEBDISP 7.81 (affected), WEBDISP 7.85 (affected), WEBDISP 7.88 (affected), WEBDISP 7.89 (affected), WEBDISP 7.90 (affected), KERNEL 7.49 (affected), KERNEL 7.53 (affected), KERNEL 7.54 KERNEL 7.77 (affected), KERNEL 7.81 (affected), KERNEL 7.85 (affected), KERNEL 7.88 (affected), KERNEL 7.89 (affected), KERNEL 7.90 (affected), KRNL64NUC 7.49 (affected), KRNL64UC 7.49 (affected), KRNL64UC 7.53 (affected), HDB 2.00 (affected), XS_ADVANCED_RUNTIME 1.00 (affected), SAP_EXTENDED_APP_SERVICES 1 (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

EPSS Score
0.578%

Identity & Timeline

StatusPUBLISHED
Assigning AuthoritySAP SE · Vendor · Germany
Reserved2023-05-24T20:41:32
Published2023-07-11T02:24:52
Last Updated2024-12-04T15:32:10

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