Use After Free in Apple iOS And Ipados
CVE-2020-9996
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious application may be able to elevate privileges.
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: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
Weakness classification (CWE)
References
- support.apple.com/en-us/HT211850 (Vendor Advisory)
- support.apple.com/en-us/HT211931 (Vendor Advisory)
- seclists.org/fulldisclosure/2020/Dec/32 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-9996?
- CVE-2020-9996 is a high-severity vulnerability in Apple iOS And Ipados, classified under Use After Free. CVSS score: 7.8/10. Published 2020-12-08.
- How severe is CVE-2020-9996?
- High severity. CVSS v3 base score is 7.8 out of 10.