What is the CVSS score of CVE-2021-33887?

CVE-2021-33887 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2021-33887?

Yes, a public proof-of-concept exploit is available for CVE-2021-33887. Prioritise patching immediately. EPSS: 0.3%.

Ttr01 Firmware CVE-2021-33887

MEDIUM

Insufficient Verification of Data Authenticity (CWE-345)

2021-06-15 cve@mitre.org

Information Disclosure Ttr01 Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 15, 2021 - 20:15 nvd

MEDIUM 6.8

DescriptionNVD

AnalysisAI

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. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-345. 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. Affected products include: Onepeloton Ttr01 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.