Vulnerability in Apple Ios And Ipados

CVE-2021-30869

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-00…

EPSS: 0.042 (89.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . 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: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30869?
CVE-2021-30869 is a high-severity vulnerability in Apple Ios And Ipados, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2021-08-24.
How severe is CVE-2021-30869?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-30869 known to be exploited?
Yes. CVE-2021-30869 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.