What is the CVSS score of CVE-2023-26109?

CVE-2023-26109 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2023-26109?

Yes, a public proof-of-concept exploit is available for CVE-2023-26109. Prioritise patching immediately. EPSS: 0.7%.

Node Bluetooth Serial Port CVE-2023-26109

CRITICAL

Classic Buffer Overflow (CWE-120)

2023-03-09 report@snyk.io

Buffer Overflow Node Bluetooth Serial Port

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 09, 2023 - 05:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

3 npm packages depend on node-bluetooth-serial-port (3 direct, 0 indirect)

Ecosystem-wide dependent count for version 2.2.7.

DescriptionNVD

All versions of the package node-bluetooth-serial-port are vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation.

AnalysisAI

All versions of the package node-bluetooth-serial-port are vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. All versions of the package node-bluetooth-serial-port are vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation. Affected products include: Node-Bluetooth-Serial-Port Project Node-Bluetooth-Serial-Port.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.