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Fencer Intel
high 7.8

CVE-2018-4087 json

An issue was discovered in certain Apple products.

published 2018-04-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15873

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.1%
EPSS 7.1% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Core Bluetooth" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Patch / fix

  • apple apple_tv 11.2.5
  • apple iphone_os 11.2.5
  • apple watchos 4.2.2

Timeline

  1. First public exploit (EDB-44215)
  2. Published

Exploit prediction

7.08% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44215 Apple iOS 11.2.5 / watchOS 4.2.2 / tvOS 11.2.5 - 'bluetoothd' Memory Corruption dos, 2018-02-28
  • blog.zimperium.com https://blog.zimperium.com/cve-2018-4087-poc-escaping-sandbox-misleading-bluetoothd/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.