Vulnerability in Actions-Semi Ats2815
CVE-2021-31786
The Bluetooth Classic Audio implementation on Actions ATS2815 and ATS2819 devices does not properly handle a connection attempt from a host with the same BDAddress as the current connected BT host, allowing attackers to trigger a disconnection and deadlock of the device by connecting with a forged BDAddress that matches the original connected host.
EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Broken Link, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-31786?
- CVE-2021-31786 is a medium-severity vulnerability in Actions-Semi Ats2815, classified under Improper Locking. CVSS score: 6.5/10. Published 2021-09-07.
- How severe is CVE-2021-31786?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-31786 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.