Low severity · published Jun 8, 2018
CVE-2018-4238
An issue was discovered in certain Apple products
2.4
CVSS
0.3%
EPSS
No
On KEV
Description
An issue was discovered in certain Apple products. iOS before 11.4 is affected. The issue involves the "Siri" component. It allows physically proximate attackers to bypass the lock-screen protection mechanism and enable Siri.
CVSS vector
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 11.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-4238
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-4238
Third Party Advisory
http://www.securitytracker.com/id/1041031
Vendor Advisory
https://support.apple.com/HT208848
More from iOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability
9.8
CVE-2025-31201
Apple Multiple Products Arbitrary Read and Write Vulnerability