Is CVE-2021-30727 in the CISA KEV catalog?

No. CVE-2021-30727 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30727?

CVE-2021-30727 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-30727?

CVE-2021-30727 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30727?

Upgrade ipados to 14.6 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30727

MEDIUM

5.5

CVSS v3

NVD

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. A malicious application may be able to modify protected parts of the file system.

How to fix

Remediation Available

ipadosNVD

Affected:< 14.6Fixed in:14.6CVE-2021-30727derived from NVD

iphone osNVD

Affected:< 14.6Fixed in:14.6CVE-2021-30727derived from NVD

macosNVD

Affected:>= 11.0.1, < 11.4Fixed in:11.4CVE-2021-30727derived from NVD

tvosNVD

Affected:< 14.6Fixed in:14.6CVE-2021-30727derived from NVD

watchosNVD

Affected:< 7.5Fixed in:7.5CVE-2021-30727derived 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

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory4

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Markdown

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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.