PT-2020-20931 · Apple · Ios+2

Amichai Shulman + 2 · Published 2020-11-12 · Updated 2021-04-10 · CVE-2021-1755

Positive Technologies (AI Summary)

CVSS v3.1

2.4

Low

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions macOS Big Sur versions prior to 11.0.1 iOS (affected versions not specified)

Description A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. A person with physical access to an iOS device may be able to access contacts from the lock screen.

Recommendations For macOS Big Sur, update to version 11.0.1 or later to resolve the issue. For iOS, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-1755

Affected Products

Apple Macos

Ios

Macos Big Sur

References · 6

• https://osv.dev/vulnerability/CVE-2021-1755 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1755 · Security Note
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1755 · Note
• https://t.me/cvenotify/13031 · Telegram Post
• https://support.apple.com/en-us/102846 · Note