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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (66.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/en-us/HT211931 (Vendor Advisory)
- support.apple.com/en-us/HT211928 (Vendor Advisory)
- support.apple.com/en-us/HT211929 (Vendor Advisory)
- support.apple.com/en-us/HT211930 (Vendor Advisory)
- support.apple.com/en-us/HT212011 (Vendor Advisory)
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.