How severe is CVE-2023-2683?

CVE-2023-2683 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-2683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2683?

CVE-2023-2683 affects Silabs Bluetooth Low Energy Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2683?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-2683 published?

CVE-2023-2683 was published on 2023-06-15 and last updated on 2026-06-17.

CVE-2023-2683

CVE-2023-2683 is a medium-severity vulnerability in Silabs Bluetooth Low Energy Software Development Kit with a CVSS 3.x base score of 5.3. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Silabs Bluetooth Low Energy Software Development Kit
Published: 2023-06-15
Last modified: 2026-06-17

Description

A memory leak in the EFR32 Bluetooth LE stack 5.1.0 through 5.1.1 allows an attacker to send an invalid pairing message and cause future legitimate connection attempts to fail. A reset of the device immediately clears the error.

Frequently asked questions

What is CVE-2023-2683?: A memory leak in the EFR32 Bluetooth LE stack 5.1.0 through 5.1.1 allows an attacker to send an invalid pairing message and cause future legitimate connection attempts to fail. A reset of the device immediately clears the error.
How severe is CVE-2023-2683?: CVE-2023-2683 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-2683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2683?: CVE-2023-2683 affects Silabs Bluetooth Low Energy Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2683 published?: CVE-2023-2683 was published on 2023-06-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:silabs:bluetooth_low_energy_software_development_kit:*:*:*:*:*:*:*:*

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