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Vulnerability record · CVE-2023-35871 · published 11 July 2023

CVE-2023-35871: Sap web dispatcher out-of-bounds write vulnerability

Sap · Web Dispatcher

The SAP Web Dispatcher - versions WEBDISP 7.53, WEBDISP 7.54, WEBDISP 7.77, WEBDISP 7.85, WEBDISP 7.89, WEBDISP 7.91, WEBDISP 7.92, WEBDISP 7.93, KERNEL 7.53, KERNEL 7.54 KERNEL 7.77, KERNEL 7.85, KERNEL 7.89, KERNEL 7.91, KERNEL 7.92, KERNEL 7.93, KRNL64UC 7.53, HDB 2.00, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, has a vulnerability that can be exploited by an unauthenticated attacker to cause memory corruption through logical errors in memory management this may leads to information disclosure or system crashes, which can have low impact on confidentiality and high impact on the integrity and availability of the system.

9.4 CVSS 3.1 Critical EPSS 0.60% · top 53.3% CWE-787 · Out-of-bounds write
9.4CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The SAP Web Dispatcher - versions WEBDISP 7.53, WEBDISP 7.54, WEBDISP 7.77, WEBDISP 7.85, WEBDISP 7.89, WEBDISP 7.91, WEBDISP 7.92, WEBDISP 7.93, KERNEL 7.53, KERNEL 7.54 KERNEL 7.77, KERNEL 7.85, KERNEL 7.89, KERNEL 7.91, KERNEL 7.92, KERNEL 7.93, KRNL64UC 7.53, HDB 2.00, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, has a vulnerability that can be exploited by an unauthenticated attacker to cause memory corruption through logical errors in memory management this may leads to information disclosure or system crashes, which can have low impact on confidentiality and high impact on the integrity and availability of the system.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://me.sap.com/notes/3340735 Permissions Required
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html Vendor Advisory
https://me.sap.com/notes/3340735 Permissions Required
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2022-22536SAP NetWeaver and Web Dispatcher HTTP request smugglingSAP NetWeaver Application Server ABAP, NetWeaver Application Server Java, ABAP Platform, Content Server 7.53 and Web Dispatcher mishandle HTTP reques…KEVEPSS 98%analysed9.8CVE-2023-40309Sap commoncryptolib incorrect authorization vulnerabilitySAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization checks for an authenticated …EPSS 0.88%9.4CVE-2023-33987Sap web dispatcher http request smuggling vulnerabilityAn 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, WEBD…EPSS 0.69%9.4CVE-2021-38162Sap web dispatcher http request smuggling vulnerabilitySAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53…EPSS 2.7%7.5CVE-2023-40308Sap commoncryptolib out-of-bounds write vulnerabilitySAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open port causes a memory corruption error in a…EPSS 0.75%7.5CVE-2022-28772Sap netweaver stack-based buffer overflow vulnerabilityBy overlong input values an attacker may force overwrite of the internal program stack in SAP Web Dispatcher - versions 7.53, 7.77, 7.81, 7.85, 7.86,…EPSS 1.4%7.5CVE-2022-28773Sap netweaver vulnerabilityDue to an uncontrolled recursion in SAP Web Dispatcher and SAP Internet Communication Manager, the application may crash, leading to denial of servic…EPSS 1.5%6.3CVE-2024-33005Sap netweaver abap missing authorization vulnerabilityDue to the missing authorization checks in the local systems, the admin users of SAP Web Dispatcher, SAP NetWeaver Application Server (ABAP and Java)…EPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2023-35871), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.