What is CVE-2021-30900?

CVE-2021-30900 is a vulnerability in Apple Ios And Ipados. Published 2021-08-24.

Is CVE-2021-30900 known to be exploited?

Yes. CVE-2021-30900 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-03-30), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Vulnerability in Apple Ios And Ipados

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.

EPSS: 0.005 (65.5th percentile) — read the EPSS interpretation.

Affected products

Apple Ios And Ipados — versions unspecified

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-03-30. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-04-20.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/kb/HT212872 (x_refsource_CONFIRM)
support.apple.com/en-us/HT212867 (x_refsource_MISC)
support.apple.com/en-us/HT212868 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30900?: CVE-2021-30900 is a vulnerability in Apple Ios And Ipados. Published 2021-08-24.
Is CVE-2021-30900 known to be exploited?: Yes. CVE-2021-30900 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-03-30), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.