Is CVE-2021-1824 in the CISA KEV catalog?

No. CVE-2021-1824 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1824?

CVE-2021-1824 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2021-1824?

CVE-2021-1824 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1824?

Upgrade macos to 11.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-1824

MEDIUM

4.4

CVSS v3

NVD

Description

This issue was addressed with improved entitlements. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application with root privileges may be able to access private information.

How to fix

Remediation Available

macosNVD

Affected:>= 11.0, < 11.3Fixed in:11.3CVE-2021-1824derived 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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory2

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Markdown

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HTML

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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.