CVE-2021-33887

CVSS V2 High 7.2 CVSS V3 Medium 6.8
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.
Overview
  • CVE ID
  • CVE-2021-33887
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-15T20:15:14
  • Last Modified Date
  • 2021-06-24T13:06:45
Weakness Enumerations
CWE URL
CWE-345 http://cwe.mitre.org/data/definitions/345.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:* 1 OR ptv55g
cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • PHYSICAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.8
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://youtu.be/RLjXfvb0ADw Exploit Third Party Advisory
https://fccid.io/2AA3N-TTR01 Third Party Advisory
https://www.mcafee.com/blogs/consumer/mobile-and-iot-security/is-your-peloton-spinning-up-malware/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33887
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33887
History
Created Old Value New Value Data Type Notes
2022-05-10 07:10:05 Added to TrackCVE
2022-12-05 04:27:34 2021-06-15T20:15Z 2021-06-15T20:15:14 CVE Published Date updated
2022-12-05 04:27:34 2021-06-24T13:06:45 CVE Modified Date updated
2022-12-05 04:27:34 Analyzed Vulnerability Status updated