Is CVE-2021-30742 in the CISA KEV catalog?

No. CVE-2021-30742 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30742?

CVE-2021-30742 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-30742?

CVE-2021-30742 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30742?

Upgrade ipados to 14.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30742

HIGH

7.8

CVSS v3

NVD

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 14.5 and iPadOS 14.5. Processing a maliciously crafted audio file may lead to arbitrary code execution.

How to fix

Remediation Available

ipadosNVD

Affected:< 14.5Fixed in:14.5CVE-2021-30742derived from NVD

iphone osNVD

Affected:< 14.5Fixed in:14.5CVE-2021-30742derived from NVD

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

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Vendor Advisory1

support.apple.com

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Markdown

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HTML

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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.