Use After Free in Apple Icloud
CVE-2020-9926
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, iCloud for Windows 7.20, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Apple Icloud
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.13.6, 10.14.6
- Apple tvOS
- Apple watchOS
Weakness classification (CWE)
References
- support.apple.com/en-us/HT211289 (Vendor Advisory)
- support.apple.com/en-us/HT211288 (Vendor Advisory)
- support.apple.com/en-us/HT211290 (Vendor Advisory)
- support.apple.com/en-us/HT211291 (Vendor Advisory)
- support.apple.com/en-us/HT211295 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-9926?
- CVE-2020-9926 is a high-severity vulnerability in Apple Icloud, classified under Use After Free. CVSS score: 7.8/10. Published 2021-04-02.
- How severe is CVE-2020-9926?
- High severity. CVSS v3 base score is 7.8 out of 10.