What is CVE-2020-27902?

CVE-2020-27902 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Missing Authentication for Critical Function. CVSS score: 4.6/10. Published 2020-12-08.

How severe is CVE-2020-27902?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2020-27902

An authentication issue was addressed with improved state management. This issue is fixed in iOS 14.2 and iPadOS 14.2. A person with physical access to an iOS device may be able to access stored passwords without authentication.

Vulnerability class: Broken Authentication

Published 2020-12-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipados
Apple Iphone OS

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

support.apple.com/en-us/HT211929 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-27902?: CVE-2020-27902 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Missing Authentication for Critical Function. CVSS score: 4.6/10. Published 2020-12-08.
How severe is CVE-2020-27902?: Medium severity. CVSS v3 base score is 4.6 out of 10.