How severe is CVE-2018-5383?

CVE-2018-5383 has a CVSS 3.x base score of 6.8, 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 high, integrity high, and availability none.

Is CVE-2018-5383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5383?

CVE-2018-5383 primarily affects Ti Wl18xx Bluetooth Service Pack. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-5383?

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

When was CVE-2018-5383 published?

CVE-2018-5383 was published on 2018-08-07 and last updated on 2026-06-17.

CVE-2018-5383

CVE-2018-5383 is a medium-severity vulnerability in Ti Wl18xx Bluetooth Service Pack with a CVSS 3.x base score of 6.8. 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-347.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Ti Wl18xx Bluetooth Service Pack
Published: 2018-08-07
Last modified: 2026-06-17

Description

Bluetooth firmware or operating system software drivers in macOS versions before 10.13, High Sierra and iOS versions before 11.4, and Android versions before the 2018-06-05 patch may not sufficiently validate elliptic curve parameters used to generate public keys during a Diffie-Hellman key exchange, which may allow a remote attacker to obtain the encryption key used by the device.

Frequently asked questions

What is CVE-2018-5383?: Bluetooth firmware or operating system software drivers in macOS versions before 10.13, High Sierra and iOS versions before 11.4, and Android versions before the 2018-06-05 patch may not sufficiently validate elliptic curve parameters used to generate public keys during a Diffie-Hellman key exchange, which may allow a remote attacker to obtain the encryption key used by the device.
How severe is CVE-2018-5383?: CVE-2018-5383 has a CVSS 3.x base score of 6.8, 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 high, integrity high, and availability none.
Is CVE-2018-5383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5383?: CVE-2018-5383 primarily affects Ti Wl18xx Bluetooth Service Pack. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-5383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5383 published?: CVE-2018-5383 was published on 2018-08-07 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:ti:wl18xx_bluetooth_service_pack:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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