Is CVE-2021-30847 in the CISA KEV catalog?

No. CVE-2021-30847 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30847?

CVE-2021-30847 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-30847?

CVE-2021-30847 has an EPSS score of 2.89% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30847?

Upgrade iTunes to 12.12 or later.

CVE & CISA-KEV Catalog

CVE-2021-30847

HIGHEPSS 85th pctl

7.8

CVSS v3

NVD

Description

This issue was addressed with improved checks. This issue is fixed in watchOS 8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

How to fix

Remediation Available

iTunesWindows application

Affected:12.12Fixed in:12.12Apple 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

2.89%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Vendor Advisory7

Third-Party Advisory3

Release Notes1

support.apple.com

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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.