HOMEVULNERABILITIESCVE-2018-5383
MEDIUM

CVE-2018-5383

CWE-325Published: August 7, 2018· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-5383 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

Apple2 product(s)
iphone osmac os x
Google1 product(s)
android
ti1 product(s)
wl18xx bluetooth service pack
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (24)

http://www.cs.technion.ac.il/~biham/BT/Mitigation · Third Party Advisory
http://www.securityfocus.com/bid/104879Broken Link · Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1041432Broken Link · Third Party Advisory · VDB Entry
https://usn.ubuntu.com/4094-1/Third Party Advisory
https://usn.ubuntu.com/4095-1/Third Party Advisory
https://usn.ubuntu.com/4095-2/Third Party Advisory
https://usn.ubuntu.com/4118-1/Third Party Advisory
https://usn.ubuntu.com/4351-1/Third Party Advisory
http://www.cs.technion.ac.il/~biham/BT/Mitigation · Third Party Advisory
http://www.securityfocus.com/bid/104879Broken Link · Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1041432Broken Link · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-5383
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-325
CISA KEVNo
Affected3 vendor(s)
PublishedAug 7, 2018

Related CVEs (CWE-325)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-5383 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.