Main Vulnerability Database Vulnerabilities #VU26450

Improper access control in Apple iOS and iPadOS - CVE-2020-3890

Published: March 27, 2020

Vulnerability identifier: #VU26450

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3890

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in deletion messages. A remote attacker can cause the deleted messages groups may still be suggested as an autocompletion.

Affected software

Apple iOS
iPadOS

How to mitigate CVE-2020-3890

Install updates from vendor's website.

Apple iOS - update to 13.4 17E255
iPadOS - update to 13.4

External References

https://seclists.org/fulldisclosure/2020/Mar/28
https://support.apple.com/en-hk/HT211102

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