CVE & CISA-KEV Catalog

CVE-2021-30892

MEDIUMEPSS 95th pctl
5.5
CVSS v3
NVD

Description

An inherited permissions issue was addressed with additional restrictions. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to modify protected parts of the file system.

How to fix

Remediation Available
mac os xNVD
Affected:< 10.15.7Fixed in:10.15.7CVE-2021-30892derived from NVD
macosNVD
Affected:>= 11.0, < 11.6.1Fixed in:11.6.1CVE-2021-30892derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

10.35%probability of exploitation in 30 days
95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

Related Vulnerabilities

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2011-3923Critical9.888%-Fix
CVE-2018-15379Critical9.886%--
CVE-2018-1000207High7.264%--
CVE-2023-32986High8.861%--
CVE-2021-44521Critical9.155%-Fix
CVE-2018-13374Medium4.338%KEV + RansomFix

Common questions

How do I fix CVE-2021-30892?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2021-30892 being actively exploited?

Not that we know of. CVE-2021-30892 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 10.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 95% of all scored CVEs.

How severe is CVE-2021-30892?

CVE-2021-30892 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-30892 affect?

Published advisories record a fix for mac os x (NVD), macos (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.