Is CVE-2020-9981 in the CISA KEV catalog?

No. CVE-2020-9981 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9981?

CVE-2020-9981 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-9981?

CVE-2020-9981 has an EPSS score of 1.35% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9981?

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

CVE & CISA-KEV Catalog

CVE-2020-9981

HIGH

7.8

CVSS v3

NVD

Description

A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted file may lead to arbitrary code execution.

CWE-416Use After Free

How to fix

Remediation Available

iCloud (Legacy)Windows application

Affected:11.5Fixed in:11.5Apple Inc.

iTunesWindows application

Affected:12.10.9Fixed in:12.10.9Apple Inc.

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

1.35%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory6

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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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 2024-11-21.