CVE-2021-30955

HIGHCVSS 7/10EPSS 4.60%

Last modified

CVE-2021-30955 is a high-severity vulnerability rated 7/10 on the CVSS scale. A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. EPSS estimates a 4.60% chance of exploitation in the next 30 days.

Description

A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

Metrics

CVSS 3.1
7/10

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

EPSS Probability
4.60%

90.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIpados< 15.2
AppleIphone Os< 15.2
AppleMacos< 12.1
AppleTvos< 15.2
AppleWatchos< 8.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30955?
A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.
How severe is CVE-2021-30955?
CVE-2021-30955 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 4.60% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30955?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30955?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST