Is CVE-2021-30798 in the CISA KEV catalog?

No. CVE-2021-30798 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30798?

CVE-2021-30798 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-30798?

CVE-2021-30798 has an EPSS score of 1.77% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30798?

Upgrade iphone os to 14.7 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30798

HIGHEPSS 75th pctl

7.5

CVSS v3

NVD

Description

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6. A malicious application may be able to bypass certain Privacy preferences.

How to fix

Remediation Available

iphone osNVD

Affected:< 14.7Fixed in:14.7CVE-2021-30798derived from NVD

macosNVD

Affected:< 11.5Fixed in:11.5CVE-2021-30798derived from NVD

watchosNVD

Affected:< 7.6Fixed in:7.6CVE-2021-30798derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.77%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Vendor Advisory3

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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.