CVE-2021-30869

criticalknown exploitedcovered by 1 sourcefirst seen 2021-11-03

Actively exploited. CVE-2021-30869 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.

CSIRTS triage

What: The vulnerability is a type confusion that may allow a malicious application to execute code with kernel privileges.
Who is affected: Users of Apple iOS, iPadOS, and macOS.
Urgency: Remediation is urgent due to active exploitation and critical severity.
Action: Update to the latest version of iOS, iPadOS, or macOS.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 90% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2021-30869: Apple iOS, iPadOS, and macOS Type Confusion Vulnerabilitycisa-kev · 2021-11-03

External references

NVD record for CVE-2021-30869

CVE.org record

CISA KEV catalog

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