What is CVE-2021-30667?

CVE-2021-30667 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 5.4/10. Published 2021-09-08.

How severe is CVE-2021-30667?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2021-30667

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.6 and iPadOS 14.6. An attacker in WiFi range may be able to force a client to use a less secure authentication mechanism.

Vulnerability class: Broken Authentication

EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Apple Ios And Ipados — versions unspecified
Apple Ipados
Apple Iphone_os

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-30667?: CVE-2021-30667 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 5.4/10. Published 2021-09-08.
How severe is CVE-2021-30667?: Medium severity. CVSS v3 base score is 5.4 out of 10.