CVE-2021-31786 is a medium-severity vulnerability affecting Actions ATS2815 and ATS2819 series Bluetooth Classic Audio devices. An attacker can exploit a flaw in the Bluetooth Classic Audio implementation by connecting with a forged Bluetooth Device Address (BDAddress) that matches an already connected host, leading to a disconnection and device deadlock. The CVSS score of 6.5 (Medium) indicates a low attack complexity and no user interaction required, with a high impact on availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has received some community discussion and media coverage, including an article from BleepingComputer.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:actions-semi:ats2819p_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:actions-semi:ats2815_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:actions-semi:ats2819_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:actions-semi:ats2819s_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:actions-semi:ats2819t_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.