Use After Free in Apple Icloud
CVE-2020-9951
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary 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: 0.023 (82.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Apple Icloud
- Apple Ipados
- Apple Iphone OS
- Apple Itunes
- Apple Safari — versions unspecified
- Apple tvOS
- Apple watchOS
- Webkit Webkitgtk\+
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- support.apple.com/kb/HT211843 (Vendor Advisory)
- support.apple.com/kb/HT211850 (Vendor Advisory)
- support.apple.com/kb/HT211844 (Vendor Advisory)
- support.apple.com/HT211845 (Release Notes, Vendor Advisory)
- support.apple.com/kb/HT211952 (Vendor Advisory)
- seclists.org/fulldisclosure/2020/Nov/18 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Nov/19 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Nov/20 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Nov/22 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/11/23/3 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-9951?
- CVE-2020-9951 is a high-severity vulnerability in Apple Icloud, classified under Use After Free. CVSS score: 8.8/10. Published 2020-10-16.
- How severe is CVE-2020-9951?
- High severity. CVSS v3 base score is 8.8 out of 10.