Vulnerability Details : CVE-2021-3329
Potential exploit
Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack
Products affected by CVE-2021-3329
- cpe:2.3:o:zephyrproject:zephyr:2.4.0:-:*:*:*:*:*:*
- cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3329
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3329
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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 | |
|
9.6
|
CRITICAL | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H |
2.8
|
6.0
|
Zephyr Project |
CWE ids for CVE-2021-3329
-
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.Assigned by: nvd@nist.gov (Primary)
-
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.Assigned by: vulnerabilities@zephyrproject.org (Secondary)
References for CVE-2021-3329
-
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-117
Exploit;Issue Tracking;Vendor Advisory
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