What is CVE-2021-1755?

CVE-2021-1755 is a low-severity vulnerability in Apple Macos, classified under Missing Authorization. CVSS score: 2.4/10. Published 2021-04-02.

How severe is CVE-2021-1755?

Low severity. CVSS v3 base score is 2.4 out of 10.

Auth bypass in Apple Macos

CVE-2021-1755

A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. A person with physical access to an iOS device may be able to access contacts from the lock screen.

Vulnerability class: Broken Access Control

EPSS: 0.003 (19.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Apple Macos — versions unspecified

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1755?: CVE-2021-1755 is a low-severity vulnerability in Apple Macos, classified under Missing Authorization. CVSS score: 2.4/10. Published 2021-04-02.
How severe is CVE-2021-1755?: Low severity. CVSS v3 base score is 2.4 out of 10.