Out-of-bounds Read in Apple iOS And Ipados
CVE-2020-9943
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. A malicious application may be able to read restricted memory.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (63.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Apple Ios And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions unspecified
- Apple Mac_os_x — versions 10.14.6, 10.15.7
- Apple Tvos — versions unspecified
- Apple Watchos — versions unspecified
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, 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)
Frequently asked questions
- What is CVE-2020-9943?
- CVE-2020-9943 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-12-08.
- How severe is CVE-2020-9943?
- Medium severity. CVSS v3 base score is 5.5 out of 10.