What is CVE-2023-48417?

CVE-2023-48417 is a critical-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 9.8/10. Published 2023-12-11.

How severe is CVE-2023-48417?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Google Android

CVE-2023-48417

Missing Permission checks resulting in unauthorized access and Manipulation in KeyChainActivity Application

Vulnerability class: Broken Access Control

Published 2023-12-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.3% 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

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

source.android.com/docs/security/bulletin/chromecast/2023-12-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-48417?: CVE-2023-48417 is a critical-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 9.8/10. Published 2023-12-11.
How severe is CVE-2023-48417?: Critical severity. CVSS v3 base score is 9.8 out of 10.