CVE-2021-3966
Usb bluetooth device ACL read cb buffer overflow
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.
La clase bluetooth del dispositivo USB incluye un desbordamiento de búfer relacionado con la implementación de net_buf_add_mem.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-16 CVE Reserved
- 2023-01-11 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-122: Heap-based Buffer Overflow
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Zephyrproject Search vendor "Zephyrproject" | Zephyr Search vendor "Zephyrproject" for product "Zephyr" | < 3.0.0 Search vendor "Zephyrproject" for product "Zephyr" and version " < 3.0.0" | - |
Affected
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