Business Logic Errors in watchOS - CVE-2020-3891
Published: March 27, 2020
Vulnerability identifier: #VU26446
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3891
CWE-ID: CWE-840
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to logical errors. A an attacker with physical access to a locked iOS device may be able to respond to messages even when replies are disabled.
Affected software
watchOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2020-3891
Install updates from vendor's website.
watchOS - update to 6.2
Apple iOS - update to 13.4 17E255
iPadOS - update to 13.4
Apple iOS - update to 13.4 17E255
iPadOS - update to 13.4