#VU56728 Improper Authorization in Apple iOS and iPadOS - CVE-2021-30815

Vulnerability identifier: #VU56728

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-30815

CWE-ID: CWE-285

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system
iPadOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local attacker to gain access to sensitive information.

The vulnerability exists due to improper implementation of the lock screen in Siri. A local attacker can view contacts from the lock screen.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 14.0 18A373 - 14.0.1 18A393, 14.1 18A8395, 14.2 18B92 - 14.2.1 18B121, 14.3 18C66, 14.4 18D52 - 14.4.2 18D70, 14.5 18E199 - 14.5.1 18E212, 14.6 18F72, 14.7 18G69 - 14.7.1 18G82, 14.8 18H17

iPadOS: 14.0 18A373 - 14.8 18H17

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External links
https://support.apple.com/en-us/HT212814

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.