How severe is CVE-2023-6387?

CVE-2023-6387 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-6387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6387?

CVE-2023-6387 affects Silabs Gecko Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6387?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-6387 have an EU (EUVD) identifier?

Yes. CVE-2023-6387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58627.

When was CVE-2023-6387 published?

CVE-2023-6387 was published on 2024-02-02 and last updated on 2026-06-17.

CVE-2023-6387

CVE-2023-6387 is a high-severity vulnerability in Silabs Gecko Software Development Kit with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-131.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58627
Weakness: CWE-131
Affected product: Silabs Gecko Software Development Kit
Published: 2024-02-02
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2023-6387?: 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
How severe is CVE-2023-6387?: CVE-2023-6387 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-6387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6387?: CVE-2023-6387 affects Silabs Gecko Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-6387 have an EU (EUVD) identifier?: Yes. CVE-2023-6387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58627.
When was CVE-2023-6387 published?: CVE-2023-6387 was published on 2024-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*

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