CVE intelligence and bounded remediation
CVE-2023-0017 — Sap Netweaver Application Server For Java security vulnerability
An 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 of an open naming and directory API to access services which can be used to perform unauthorized operations affecting users and data on the current system. This could allow the attacker to have full read access to user data, make modifications to user data, and make services within the system unavailable.
- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Published
- 2023-01-10
- CISA KEV
- Not currently listed
- Ecosystem
- java/maven
- Weaknesses
- CWE-284
Affected products
- sap / netweaver_application_server_for_java / 7.50
Matched remediation archetype
Authorization bypass, IDOR, and cross-tenant access
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
- Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
- Use synthetic fixtures to compare intended access matrices without accessing another user's real data.
Remediate safely
- Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
- Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
- Add deny-by-default policy tests for horizontal and vertical access across every affected transport.
Authoritative sources
Complete CVE record and remediation plan
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