CVE-2021-30937 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write7 documents3 sources
Severity
7.8HIGHNVD
EPSS
24.5%
top 3.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Watchos+4 more
Timeline
PublishedAug 24
Latest updateDec 13

Description

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages9 packages

▶CVEListV5apple/macosunspecified — 12.1+3
▶NVDapple/macos11.0 — 11.6.2+1
▶NVDapple/mac_os_x10.15 — 10.15.7+1
▶NVDapple/tvos< 15.2
▶NVDapple/ipados< 15.2

🔴Vulnerability Details

1
CVEList
CVE-2021-30937: A memory corruption vulnerability was addressed with improved locking↗2021-08-24
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📋Vendor Advisories

5
Apple
CVE-2021-30937: macOS Monterey 12.1↗2021-12-13
▶
Apple
CVE-2021-30937: watchOS 8.3↗2021-12-13
▶
Apple
CVE-2021-30937: macOS Big Sur 11.6.2↗2021-12-13
▶
Apple
CVE-2021-30937: tvOS 15.2↗2021-12-13
▶
Apple
CVE-2021-30937: Security Update 2021-008 Catalina↗2021-12-13
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CVE-2021-30937 — Out-of-bounds Write in Apple | cvebase