What is CVE-2020-10876?

CVE-2020-10876 is a high-severity vulnerability in Mica Fingerprint Bluetooth Padlock Fb50, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2020-05-04.

How severe is CVE-2020-10876?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-10876 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mica Fingerprint Bluetooth Padlock Fb50

CVE-2020-10876

The OKLOK (3.1.1) mobile companion app for Fingerprint Bluetooth Padlock FB50 (2.3) does not correctly implement its timeout on the four-digit verification code that is required for resetting passwords, nor does it properly restrict excessive verification attempts. This allows an attacker to brute force the four-digit verification code in order to bypass email verification and change the password of a victim account.

EPSS: 0.011 (61.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Mica Fingerprint_bluetooth_padlock_fb50
Oklok_project Oklok — versions 3.1.1
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-10876?: CVE-2020-10876 is a high-severity vulnerability in Mica Fingerprint Bluetooth Padlock Fb50, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2020-05-04.
How severe is CVE-2020-10876?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-10876 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.