Use After Free in Apple iOS And Ipados

CVE-2020-27920

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.

Vulnerability class: Use-After-Free

EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-27920?
CVE-2020-27920 is a high-severity vulnerability in Apple iOS And Ipados, classified under Use After Free. CVSS score: 8.8/10. Published 2021-04-02.
How severe is CVE-2020-27920?
High severity. CVSS v3 base score is 8.8 out of 10.