CVE-2023-6387

highpriority · track · 40EPSS 0.006 · 49 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.61% (49th) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · product-security@silabs.comexploitability 1.6 · impact 5.9

v3.17.1highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-131USprimaryCWE-125USCWE-787US

exploits (1)

Public proof-of-concept and weaponised exploit code.

A3ST1CODE/CVE_6387Repository for testing exploiting CVE-2023-6387 using TypeScript and JavaScript.PoC · poc_in_github

affected products (2)

Products and version ranges known to be affected.

silabs.com GSDK1.0 → 4.4.0enisa_euvdEU
silabs gecko software development kit< 4.4.0nvdUScpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2024-02-02modified 2026-06-17

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+345 more

references (7)

External citations — patches, advisories, analysis.

scry

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