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TI-2021-13207 Aliases CVE-2021-33887GHSA-9h8m-8m65-p47h

Insufficient verification of data authenticity in Peloton TTR01 up to and including…

Priority LOW 30CWE-345Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-345.

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.

Why it matters now

EPSS 0.00267 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:*up to ptv55gVulnerableOnepeloton
cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:*not specified by NVDRunning onOnepeloton
  • cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:* Versions up to ptv55g Vulnerable ·Onepeloton
  • cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Onepeloton

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33887
  2. 2026-10-03 Alias added: GHSA-9h8m-8m65-p47h

References

Exploit 1

Advisory 2

  • TI-2021-17566 Incorrect calculation of buffer size vulnerability in Peleton TTR01 up to and including… CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences