High severity · published Aug 24, 2021
CVE-2021-30983
Apple iOS and iPadOS Buffer Overflow Vulnerability
In wildKEV
7.8
CVSS
2.9%
EPSS
Yes
On KEV
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.
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)2.9% · higher than 87% of CVEs
Exploited in the wildYes
CISA KEVListed Jun 27, 2022
Federal remediation dueJul 18, 2022
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 15.2 · source: NVD
IA
iOS and iPadOS · Apple
before 15.2 · source: vendor, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30983
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://support.apple.com/en-us/HT212976
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