Buffer overflow in Apple iOS And Ipados
CVE-2021-30916
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Vulnerability class: Buffer Overflow
EPSS: 0.016 (72.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Apple Ios And Ipados — versions unspecified
- Apple Ipad_os
- Apple Ipados — versions 15.0
- Apple Iphone_os — versions 15.0
- Apple Macos — versions unspecified, 12.0
- Apple Mac_os_x — versions 10.15.7
- Apple Tvos
- Apple Watchos
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_CONFIRM)
- product-security@apple.com (x_refsource_CONFIRM)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC)
Frequently asked questions
- What is CVE-2021-30916?
- CVE-2021-30916 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-24.
- How severe is CVE-2021-30916?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-30916 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.