Is CVE-2021-30906 in the CISA KEV catalog?

No. CVE-2021-30906 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30906?

CVE-2021-30906 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-30906?

CVE-2021-30906 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30906?

Upgrade ipados to 15.1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30906

HIGH

7.8

CVSS v3

NVD

Description

This issue was addressed with improved checks. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. A local attacker may be able to elevate their privileges.

How to fix

Remediation Available

ipadosNVD

Affected:< 15.1Fixed in:15.1CVE-2021-30906derived from NVD

iphone osNVD

Affected:< 15.1Fixed in:15.1CVE-2021-30906derived from NVD

mac os xNVD

Affected:>= 10.15, < 10.15.7Fixed in:10.15.7CVE-2021-30906derived from NVD

macosNVD

Affected:>= 11.0, < 11.6.1Fixed in:11.6.1CVE-2021-30906derived from NVD

tvosNVD

Affected:< 15.1Fixed in:15.1CVE-2021-30906derived from NVD

watchosNVD

Affected:< 8.1Fixed in:8.1CVE-2021-30906derived 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

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Other references6

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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.