CVE-2021-33887 json
Insufficient verification of data authenticity in Peloton TTR01 up to and including PTV55G allows an attacker with physical access to boot…
published 2021-06-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20560
- cvss
- 6.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- youtu.be https://youtu.be/RLjXfvb0ADw referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
References
-
youtu.be
/RLjXfvb0ADw
exploit, third-party-advisory
-
fccid.io
/2AA3N-TTR01
third-party-advisory
-
mcafee.com
/blogs/consumer/mobile-and-iot-security/is-your-peloton-spinning-up-malware/
third-party-advisory
Sources
- CVE List CVE-2021-33887
- NVD CVE-2021-33887
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