Use After Free in Apple iOS And Ipados

CVE-2021-30902

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.004 (35.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-30902: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30902?
CVE-2021-30902 is a high-severity vulnerability in Apple iOS And Ipados, classified under Use After Free. CVSS score: 7.8/10. Published 2021-08-24.
How severe is CVE-2021-30902?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-30902 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.