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01 Record

CVE-2021-3432

BT: Invalid interval in CONNECT_IND leads to Division by Zero

MediumPUBLISHEDCNA: zephyr
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

02 Description

BT: Invalid interval in CONNECT_IND leads to Division by Zero

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
0.91% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 59.9% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/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
2022-06-28 19:45Z4 YR AGO
Last updated
2024-09-17 00:21Z2 YR AGO
Reserved
2021-03-11
Assigning CNA
zephyr
Record state
PUBLISHED
Severity
Medium (CVSS 4.3)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
Data version
5.1
Document digest
5aa8f2bd98d2b18735447c52642b6849fc949a481de9f35b9bbf145fe9ead628

05 Affected products

VendorProductVersionsPlatforms
zephyrproject-rtoszephyrv1.14.0 to < unspecified, v2.5.0 to < unspecified—

06 References