Is CVE-2020-27932 in the CISA KEV catalog?

Yes. CVE-2020-27932 is on the CISA Known Exploited Vulnerabilities list, added 2021-11-03.

What is the CVSS severity of CVE-2020-27932?

CVE-2020-27932 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-27932?

CVE-2020-27932 has an EPSS score of 10.34% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27932?

Upgrade iCloud (Legacy) to 11.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-27932

HIGHCISA KEVEPSS 95th pctl

7.8

CVSS v3

NVD

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.

CWE-843Type Confusion

How to fix

Remediation Available

iCloud (Legacy)Windows application

Affected:11.5Fixed in:11.5Apple Inc.

iTunesWindows application

Affected:12.11Fixed in:12.11Apple Inc.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

10.34%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Apple Multiple Products Type Confusion Vulnerability

Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

References

Vendor Advisory8

Third-Party Advisory2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-843 (Type Confusion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2011-0611	High	8.8	99%	KEV	Fix
CVE-2012-0507	Critical	9.8	98%	KEV + Ransom	-
CVE-2017-8291	High	7.8	97%	KEV	Fix
CVE-2019-0752	High	7.5	82%	KEV + Ransom	-
CVE-2017-0037	High	8.1	80%	KEV	-
CVE-2016-7201	High	8.8	80%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.