CVE-2021-30900
CVSS v3
7.8
HIGH
EPSS Score
1.2 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
CISA Known Exploited Vulnerability
- Date Added
- 2023-03-30
- Patch Due Date
- 2023-04-20
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-08-24
Frequently asked questions
What is CVE-2021-30900?
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Is CVE-2021-30900 actively exploited?
Yes. CVE-2021-30900 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-04-20.
What is the CVSS score for CVE-2021-30900?
CVE-2021-30900 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2021-30900 affecting your environment?
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