Is CVE-2021-30783 in the CISA KEV catalog?

No. CVE-2021-30783 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30783?

CVE-2021-30783 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-30783?

CVE-2021-30783 has an EPSS score of 0.34% (26th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30783?

Upgrade macos to 11.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-30783

MEDIUM

6.5

CVSS v3

NVD

Description

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.

How to fix

Remediation Available

macosNVD

Affected:>= 11.0, < 11.5Fixed in:11.5CVE-2021-30783derived 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

ScopeChanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.34%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory1

seclists.org

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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.