Vulnerability Details : CVE-2021-31613
The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle the reception of a truncated LMP packet during the LMP auto rate procedure, allowing attackers in radio range to immediately crash (and restart) a device via a crafted LMP packet.
Products affected by CVE-2021-31613
- cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zh-jieli:ac6925_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zh-jieli:ac6926_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zh-jieli:ac6928_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zh-jieli:ac6921_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31613
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31613
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:N/A:P |
6.5
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
References for CVE-2021-31613
-
http://www.zh-jieli.com/product/68-cn.html
杰理蓝牙系列芯片AC690N/AC692N-珠海市杰理科技股份有限公司Product;Vendor Advisory
-
https://launchstudio.bluetooth.com/ListingDetails/58628
Launch Studio - Listing DetailsThird Party Advisory
-
https://launchstudio.bluetooth.com/ListingDetails/19746
Launch Studio - Listing DetailsThird Party Advisory
-
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
Technical Description;Third Party Advisory
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