Cyber Resilience

CVE-2021-31612

Medium

Published: 07 September 2021

Published
07 September 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0013 33.0th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31612 is a medium-severity an unspecified weakness vulnerability in Zh-Jieli Ac6901 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 33.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly handle the reception of an oversized LMP packet greater than 17 bytes during the LMP auto rate procedure, allowing attackers in radio range to trigger a deadlock via…

more

a crafted LMP packet.

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zh-jieli
ac6901 firmware
all versions
zh-jieli
ac690n firmware
all versions
zh-jieli
ac692n firmware
all versions
zh-jieli
ac6902 firmware
all versions
zh-jieli
ac6903 firmware
all versions
zh-jieli
ac6905 firmware
all versions
zh-jieli
ac6904 firmware
all versions
zh-jieli
ac6907 firmware
all versions
zh-jieli
ac6908 firmware
all versions
zh-jieli
ac6997 firmware
all versions
+2 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References