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Vulnerability record · CVE-2023-23857 · published 14 March 2023

CVE-2023-23857: Sap netweaver application server for java improper authentication vulnerability

Sap · Netweaver Application Server For Java

Due to missing authentication check, SAP NetWeaver AS for Java - version 7.50, allows an unauthenticated attacker to attach to an open interface and make use of an open naming and directory API to access services which can be used to perform unauthorized operations affecting users and services across systems. On a successful exploitation, the attacker can read and modify some sensitive information but can also be used to lock up any element or operation of the system making that it unresponsive or unavailable.

8.6 CVSS 3.1 High EPSS 0.54% · top 56.6% CWE-287 · Improper authentication
8.6CVSS 3.1 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Due to missing authentication check, SAP NetWeaver AS for Java - version 7.50, allows an unauthenticated attacker to attach to an open interface and make use of an open naming and directory API to access services which can be used to perform unauthorized operations affecting users and services across systems. On a successful exploitation, the attacker can read and modify some sensitive information but can also be used to lock up any element or operation of the system making that it unresponsive or unavailable.

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

Affected products

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

References

LinkTags
https://launchpad.support.sap.com/#/notes/3252433 Permissions Required
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html Vendor Advisory
https://launchpad.support.sap.com/#/notes/3252433 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.

9.8CVE-2023-0017Sap netweaver application server for java improper access control vulnerabilityAn unauthenticated attacker in SAP NetWeaver AS for Java - version 7.50, due to improper access control, can attach to an open interface and make use…EPSS 16%9.1CVE-2023-30744Sap netweaver application server for java missing authentication for critical function vulnerabilityIn SAP AS NetWeaver JAVA - versions SERVERCORE 7.50, J2EE-FRMW 7.50, CORE-TOOLS 7.50, an unauthenticated attacker can attach to an open interface and…EPSS 0.62%7.5CVE-2022-27669Sap netweaver application server for java missing authorization vulnerabilityAn unauthenticated user can use functions of XML Data Archiving Service of SAP NetWeaver Application Server for Java - version 7.50, to which access …EPSS 1.0%6.5CVE-2021-27635Sap netweaver application server for java xml external entity (xxe) vulnerabilitySAP NetWeaver AS for JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker authenticated as an administrator to connect over a network an…EPSS 1.6%5.3CVE-2023-31405Sap netweaver application server for java vulnerabilitySAP NetWeaver AS for Java - versions ENGINEAPI 7.50, SERVERCORE 7.50, J2EE-APPS 7.50, allows an unauthenticated attacker to craft a request over the …EPSS 0.45%5.3CVE-2023-26460Sap netweaver application server for java improper access control vulnerabilityCache Management Service in SAP NetWeaver Application Server for Java - version 7.50, does not perform any authentication checks for functionalities …EPSS 0.48%5.3CVE-2023-27268Sap netweaver application server for java improper access control vulnerabilitySAP NetWeaver AS Java (Object Analyzing Service) - version 7.50, does not perform necessary authorization checks, allowing an unauthenticated attacke…EPSS 0.45%4.9CVE-2021-27621Sap netweaver application server for java vulnerabilityInformation Disclosure vulnerability in UserAdmin application in SAP NetWeaver Application Server for Java, versions - 7.11,7.20,7.30,7.31,7.40 and 7…EPSS 0.61%

Source: NIST National Vulnerability Database (record CVE-2023-23857), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.