Vulnerability in Apple iOS And Ipados

CVE-2020-9978

This issue was addressed with improved setting propagation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. An attacker in a privileged network position may be able to unexpectedly alter application state.

EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

References

Frequently asked questions

What is CVE-2020-9978?
CVE-2020-9978 is a medium-severity vulnerability in Apple iOS And Ipados. CVSS score: 4.5/10. Published 2021-04-02.
How severe is CVE-2020-9978?
Medium severity. CVSS v3 base score is 4.5 out of 10.