Is CVE-2021-30676 in the CISA KEV catalog?

No. CVE-2021-30676 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30676?

CVE-2021-30676 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-30676?

CVE-2021-30676 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30676?

Upgrade macos to 11.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-30676

HIGH

7.1

CVSS v3

NVD

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.

How to fix

Remediation Available

macosNVD

Affected:>= 11.0, < 11.4Fixed in:11.4CVE-2021-30676derived 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

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Vendor Advisory3

Embed a live status badge for CVE-2021-30676

Markdown

[![CVE-2021-30676](https://tridentstack.com/cve/badge/CVE-2021-30676.svg)](https://tridentstack.com/cve/CVE-2021-30676)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-30676"><img src="https://tridentstack.com/cve/badge/CVE-2021-30676.svg" alt="CVE-2021-30676"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.