What is CVE-2021-1863?

CVE-2021-1863 is a low-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 2.4/10. Published 2021-09-08.

How severe is CVE-2021-1863?

Low severity. CVSS v3 base score is 2.4 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2021-1863

An issue existed with authenticating the action triggered by an NFC tag. The issue was addressed with improved action authentication. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to place phone calls to any phone number.

Vulnerability class: Broken Authentication

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/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, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1863?: CVE-2021-1863 is a low-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 2.4/10. Published 2021-09-08.
How severe is CVE-2021-1863?: Low severity. CVSS v3 base score is 2.4 out of 10.