Improper input validation in Apple iOS

CVE-2021-30763

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 14.7, watchOS 7.6. A shortcut may be able to bypass Internet permission requirements.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30763?
CVE-2021-30763 is a medium-severity vulnerability in Apple iOS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2021-09-08.
How severe is CVE-2021-30763?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-30763 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.