What is CVE-2022-20109?

CVE-2022-20109 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2022-05-03.

How severe is CVE-2022-20109?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Google Android

CVE-2022-20109

In ion, there is a possible use after free due to improper update of reference count. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06399915; Issue ID: ALPS06399915.

Published 2022-05-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.4th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.4% 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 9.0, 10.0, 11.0
Mediatek Mt6580
Mediatek Mt6735
Mediatek Mt6737
Mediatek Mt6739
Mediatek Mt6750
Mediatek Mt6750s
Mediatek Mt6753
Mediatek Mt6757
Mediatek Mt6757c

References

corp.mediatek.com/product-security-bulletin/May-2022 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20109?: CVE-2022-20109 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2022-05-03.
How severe is CVE-2022-20109?: High severity. CVSS v3 base score is 7.8 out of 10.