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.

CVSS v3.0 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:*

Information

Published : 2021-06-15 13:15

Updated : 2021-06-24 06:06

NVD link : CVE-2021-33887

Mitre link : CVE-2021-33887

JSON object : View

CWE

CWE-345

Insufficient Verification of Data Authenticity

Products Affected

onepeloton

ttr01
ttr01_firmware

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://youtu.be/RLjXfvb0ADw", "name": "https://youtu.be/RLjXfvb0ADw", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://fccid.io/2AA3N-TTR01", "name": "https://fccid.io/2AA3N-TTR01", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.mcafee.com/blogs/consumer/mobile-and-iot-security/is-your-peloton-spinning-up-malware/", "name": "https://www.mcafee.com/blogs/consumer/mobile-and-iot-security/is-your-peloton-spinning-up-malware/", "tags": ["Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-345"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-33887", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}}, "publishedDate": "2021-06-15T20:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "ptv55g"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-06-24T13:06Z"}

6.8 /10