What is CVE-2020-9959?

CVE-2020-9959 is a low-severity vulnerability in Apple iOS, classified under Improper Locking. CVSS score: 2.4/10. Published 2020-10-16.

How severe is CVE-2020-9959?

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

Vulnerability in Apple iOS

CVE-2020-9959

A lock screen issue allowed access to messages on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.0 and iPadOS 14.0. A person with physical access to an iOS device may be able to view notification contents from the lockscreen.

EPSS: 0.003 (20.5th 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 Ios — versions unspecified
Apple Ipados
Apple Iphone_os

Weakness classification (CWE)

CWE-667 — Improper Locking

References

product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-9959?: CVE-2020-9959 is a low-severity vulnerability in Apple iOS, classified under Improper Locking. CVSS score: 2.4/10. Published 2020-10-16.
How severe is CVE-2020-9959?: Low severity. CVSS v3 base score is 2.4 out of 10.