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
EPSS: 0.023 (81.8th 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
- Apple Icloud
- Apple Ipados
- Apple Iphone_os
- Apple Itunes
- Apple Safari — versions unspecified
- Apple Tvos
- Apple Watchos
- Webkit Webkitgtk\+
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- product-security@apple.com (mailing-list, x_refsource_MLIST, 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.