CVE-2020-9853 - Vulnerability Details - OpenCVE

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A malicious application may be able to determine kernel memory layout.

Published: 2020-10-22

Score: 7.8 High

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apple

macOS

affected

Version	Status	Constraints
`unspecified`	affected	< macOS Catalina 10.15.4

Configuration 1 [-]

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-30632	A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A malicious application may be able to determine kernel memory layout.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00791.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.apple.com/kb/HT211100

History

No history.

Subscriptions

Apple Mac Os X

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2020-10-22T17:53:45.000Z

Updated: 2024-08-04T10:43:05.399Z

Reserved: 2020-03-02T00:00:00.000Z

Link: CVE-2020-9853

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-10-22T18:15:13.830

Modified: 2026-06-17T03:28:41.173

Link: CVE-2020-9853

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20
Improper Input Validation
CWE-787
Out-of-bounds Write

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