High severity · published Aug 24, 2021
CVE-2021-30993
A buffer overflow issue was addressed with improved memory handling
8.1
CVSS
2.3%
EPSS
No
On KEV
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 84% 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
12.0 before 12.1 · source: NVD
TV
Tvos · Apple
before 15.2 · source: NVD
WA
Watchos · Apple
before 8.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30993
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30993
support.apple.com
https://support.apple.com/en-us/HT212975
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/HT212980
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