What is CVE-2021-40526?

CVE-2021-40526 is a medium-severity vulnerability in Onepeloton Ttr01, classified under Incorrect Calculation of Buffer Size. CVSS score: 4.8/10. Published 2021-10-25.

How severe is CVE-2021-40526?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Onepeloton Ttr01

CVE-2021-40526

Incorrect calculation of buffer size vulnerability in Peleton TTR01 up to and including PTV55G allows a remote attacker to trigger a Denial of Service attack through the GymKit daemon process by exploiting a heap overflow in the network server handling the Apple GymKit communication. This can lead to an Apple MFI device not being able to authenticate with the Peleton Bike

EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

CWE-131 — Incorrect Calculation of Buffer Size

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-40526?: CVE-2021-40526 is a medium-severity vulnerability in Onepeloton Ttr01, classified under Incorrect Calculation of Buffer Size. CVSS score: 4.8/10. Published 2021-10-25.
How severe is CVE-2021-40526?: Medium severity. CVSS v3 base score is 4.8 out of 10.