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CVE-2021-30940

MEDIUMCVSS 5.5/10EPSS 0.96%

Last modified

CVE-2021-30940 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may disclose memory contents.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.96%

57.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIpados< 15.2
AppleIphone Os< 15.2
AppleMac Os X>= 10.15, < 10.15.7
AppleMac Os X10.15.7
AppleMacos>= 11.0, < 11.6.2
AppleMacos>= 12.0, < 12.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30940?
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may disclose memory contents.
How severe is CVE-2021-30940?
CVE-2021-30940 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30940?
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-2021-30940?

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

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Source: NVD / NIST