CVE-2020-9813 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-820 — Missing Synchronization4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.5%
top 34.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOSApple MacosApple Tvos+4 more
Timeline
PublishedJun 9
Latest updateOct 1

Description

A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. 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/tvosunspecified — tvOS 13.4.5
▶NVDapple/tvos< 13.4.5
▶CVEListV5apple/macosunspecified — macOS Catalina 10.15.5
▶NVDapple/ipados< 13.5
▶CVEListV5apple/watchosunspecified — watchOS 6.2.5

🔴Vulnerability Details

2
GHSA
GHSA-655r-42wv-v7v4: A logic issue existed resulting in memory corruption↗2022-05-24
▶
CVEList
CVE-2020-9813: A logic issue existed resulting in memory corruption↗2020-06-09
▶

📋Vendor Advisories

1
Red Hat
kernel: mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING↗2025-10-01
▶
CVE-2020-9813 — Out-of-bounds Write in Apple Macos | cvebase