Is CVE-2021-30704 in the CISA KEV catalog?

No. CVE-2021-30704 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30704?

CVE-2021-30704 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-30704?

CVE-2021-30704 has an EPSS score of 0.36% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30704?

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

CVE & CISA-KEV Catalog

CVE-2021-30704

HIGH

7.8

CVSS v3

NVD

Description

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.

How to fix

Remediation Available

ipadosNVD

Affected:< 14.6Fixed in:14.6CVE-2021-30704derived from NVD

iphone osNVD

Affected:< 14.6Fixed in:14.6CVE-2021-30704derived from NVD

macosNVD

Affected:>= 11.0, < 11.4Fixed in:11.4CVE-2021-30704derived from NVD

tvosNVD

Affected:< 14.6Fixed in:14.6CVE-2021-30704derived from NVD

watchosNVD

Affected:< 7.5Fixed in:7.5CVE-2021-30704derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.36%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Vendor Advisory6

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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.