CVE-2021-30900

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Summary

CVECVE-2021-30900
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-24 19:15:00 UTC
Updated2023-11-07 03:33:00 UTC
DescriptionAn 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.

Risk And Classification

EPSS: 0.011940000 probability, percentile 0.788180000 (date 2026-04-01)

CISA KEV: Listed on 2023-03-30; due 2023-04-20; ransomware use Unknown

Problem Types: CWE-787

CISA Known Exploited Vulnerability

VendorApple
ProductiOS, iPadOS, and macOS
NameApple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://support.apple.com/en-us/HT21286, https://support.apple.com/en-us/HT212868, https://support.apple.com/kb/HT212872; https://nvd.nist.gov/vuln/detail/CVE-2021-30900

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados 15.0 All All All
Operating System Apple Ipad Os All All All All
Operating System Apple Ipad Os 15.0 All All All
Operating System Apple Iphone Os All All All All
Operating System Apple Iphone Os 15.0 All All All
Operating System Apple Macos All All All All

References

ReferenceSourceLinkTags
About the security content of iOS 14.8.1 and iPadOS 14.8.1 - Apple Support support.apple.com
About the security content of macOS Big Sur 11.6.1 - Apple Support support.apple.com
About the security content of iOS 15.1 and iPadOS 15.1 - Apple Support MISC support.apple.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 610377 Apple iOS 14.8.1 and iPadOS 14.8.1 Security Update Missing (HT212868)
  • 610378 Apple iOS 15.1 and iPadOS 15.1 Security Update Missing (HT212867)
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