synced 16 MIN AGO
01 Record

CVE-2021-34144

The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMP_SCO_Link_Request packets while no other BT connections are

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMP_SCO_Link_Request packets while no other BT connections are

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.68% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 52.2% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-09-07 05:55Z5 YR AGO
Last updated
2024-08-04 00:05Z2 YR AGO
Reserved
2021-06-07
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
641c12f9cac3e914a1fe946102ddb189382f037d71a4bdabdf844bc73173c8c8

05 Affected products

VendorProductVersionsPlatforms
zh-jieliac6936Not specified—
zh-jieliac6951Not specified—
zh-jieliac6952Not specified—
zh-jieliac6954Not specified—
zh-jieliac6955Not specified—
zh-jieliac6956Not specified—
zh-jieliac6963Not specified—
zh-jieliac6965Not specified—
zh-jieliac6966Not specified—
zh-jieliac6969Not specified—
zh-jieliac6973Not specified—
zh-jieliac6976Not specified—
zh-jieliac6983Not specified—
zh-jieliac6986Not specified—
zh-jielifw-ac63_bt_sdkNot specified—

06 References