CVE-2023-3725

Potential buffer overflow vulnerability in the Zephyr CANbus subsystem

View on CVE.org

Published Oct 6, 2023 CVSS 3.1 · 7.6 High EPSS 1.3% KEV · Not listed

Description

Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

zephyrproject-rtos

Zephyr

unaffected

Version	Status	Constraints
`*`	affected	≤ 3.4

Configuration 1 [-]

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-44360	Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.3% (1.299% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
http://seclists.org/fulldisclosure/2023/Nov/1
http://www.openwall.com/lists/oss-security/2023/11/07/1
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2g3m-p6c7-8rr3

History

Dec 3, 2024 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Zephyrproject Zephyr

Weaknesses

Sources

CVE record Updated: Feb 13, 2025, 4:56 PM

Status: PUBLISHED
Assigner: zephyr
Published: Oct 6, 2023, 8:10 PM
Updated: Feb 13, 2025, 4:56 PM
Reserved: Jul 17, 2023, 9:35 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:01 AM

Updated: Aug 2, 2024, 7:01 AM

NVD Updated: Jun 17, 2026, 6:14 AM

Status: Modified
Published: Oct 6, 2023, 9:15 PM
Modified: Jun 17, 2026, 6:14 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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