CVE-2020-9939

MEDIUM

6.4

CVSS Score

Published: October 22, 2020 at 06:06 PM UTC

Updated: June 17, 2026 at 03:28 AM UTC

1 product affected across 1 vendormacOS

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Severity

MEDIUM6.4

Exploit prediction

EPSS 0.2%

Description

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to load unsigned kernel extensions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

macOS · Apple

95%

v < 10.15.6v < macOS Catalina 10.15.6

Affected range stops below 10.15.6, so it looks safe — our inference, not a vendor statement

Affected range stops below macOS Catalina 10.15.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://support.apple.com/kb/HT211289

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.apple.com/kb/HT211289

CVSS

6.4MEDIUM[email protected]

Attack Vector: LOCAL
Complexity: HIGH
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-367

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