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Vulnerability record · public intelligence
CVE-2020-27898
UNKNOWN

CVE-2020-27898

Published Dec 8, 2020 · Updated Nov 3, 2026

Severity · CVSSUNKNOWN · Not scored
Known exploitationNot listed
EPSS / likelihood1.00%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

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.

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. support.apple.com ↗
  2. support.apple.com ↗
  3. 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1 ↗
  4. 20201215 APPLE-SA-2020-12-14-3 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave ↗

Record history

Published Dec 8, 2020 · Last refreshed Nov 3, 2026

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