CVE-2023-6387

Q: How do I fix CVE-2023-6387?

Upgrade gecko software development kit to 4.4.0 or later.

Q: Is CVE-2023-6387 being actively exploited?

Not that we know of. CVE-2023-6387 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.61% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

Q: How severe is CVE-2023-6387?

CVE-2023-6387 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-6387 affect?

Published advisories record a fix for gecko software development kit (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.5

CVSS v3

NVD

Description

A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may result in a denial of service or remote code execution

CWE-125Out-of-bounds Read CWE-787Out-of-bounds Write CWE-131

How to fix

Remediation Available

gecko software development kitNVD

Affected:< 4.4.0Fixed in:4.4.0CVE-2023-6387derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.61%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Release Notes1

github.com

Other references1

community.silabs.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2023-21769	High	7.5	89%	-	Fix

Common questions

How do I fix CVE-2023-6387?

Upgrade gecko software development kit to 4.4.0 or later.

Is CVE-2023-6387 being actively exploited?

Not that we know of. CVE-2023-6387 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.61% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

How severe is CVE-2023-6387?

CVE-2023-6387 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-6387 affect?

Published advisories record a fix for gecko software development kit (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2023-6387

Markdown

[![CVE-2023-6387](https://tridentstack.com/cve/badge/CVE-2023-6387.svg)](https://tridentstack.com/cve/CVE-2023-6387)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-6387"><img src="https://tridentstack.com/cve/badge/CVE-2023-6387.svg" alt="CVE-2023-6387"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.