CVE-2020-27898

low-risk

Published 2020-12-08

A denial of service issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1. An attacker may be able to bypass Managed Frame Protection.

Do I need to act?

0.16% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Macos

Affected Vendors

Apple

References (8)

Mailing List http://seclists.org/fulldisclosure/2020/Dec/26

Mailing List http://seclists.org/fulldisclosure/2020/Dec/32

Vendor Advisory https://support.apple.com/en-us/HT211931

Vendor Advisory https://support.apple.com/kb/HT212011

Mailing List http://seclists.org/fulldisclosure/2020/Dec/26

Mailing List http://seclists.org/fulldisclosure/2020/Dec/32

Vendor Advisory https://support.apple.com/en-us/HT211931

Vendor Advisory https://support.apple.com/kb/HT212011

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low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal