What is CVE-2021-0904?

CVE-2021-0904 is a medium-severity vulnerability in Google Android, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.7/10. Published 2021-12-15.

How severe is CVE-2021-0904?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Google Android

CVE-2021-0904

In SRAMROM, there is a possible permission bypass due to an insecure permission setting. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06076938; Issue ID: ALPS06076938.

Published 2021-12-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 8.1, 9.0, 10.0
Mediatek Mt6771
Mediatek Mt8183
Mediatek Mt8385
Mediatek Mt8788
Mt6771, Mt8183, Mt8385, Mt8788 — versions Android 8.1, 9.0, 10.0, 11.0

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

corp.mediatek.com/product-security-bulletin/December-2021 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-0904?: CVE-2021-0904 is a medium-severity vulnerability in Google Android, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.7/10. Published 2021-12-15.
How severe is CVE-2021-0904?: Medium severity. CVSS v3 base score is 6.7 out of 10.