CVE-2021-33887
MEDIUMCVSS 6.8/10EPSS 0.27%
Last modified
CVE-2021-33887 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Onepeloton | Ttr01 Firmware | <= ptv55g |
References
- https://fccid.io/2AA3N-TTR01Third Party Advisory
- https://youtu.be/RLjXfvb0ADwExploit, Third Party Advisory
- https://fccid.io/2AA3N-TTR01Third Party Advisory
- https://youtu.be/RLjXfvb0ADwExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33887?
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.
How severe is CVE-2021-33887?
CVE-2021-33887 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33887?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-33887?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST