High severity · published Aug 24, 2021
CVE-2021-30971
An out-of-bounds write issue was addressed with improved bounds checking
7.8
CVSS
1.3%
EPSS
No
On KEV
Description
An out-of-bounds write issue was addressed with improved bounds checking. 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 lead to unexpected application termination or arbitrary code execution.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 15.2 · source: NVD
MA
macOS · Apple
11.0 before 11.6.2; 12.0 before 12.1 · source: NVD
MO
Mac OS X · Apple
10.15 through 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; +3 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30971
support.apple.com
https://support.apple.com/en-us/HT212976
support.apple.com
https://support.apple.com/en-us/HT212978
support.apple.com
https://support.apple.com/en-us/HT212979
support.apple.com
https://support.apple.com/en-us/HT212981
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