CVE-2022-20109

Name: CVE-2022-20109
Creator: NVD / NIST
Published: 2022-05-03T20:15:08.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2022-20109 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.11%

1.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Android	9.0
Google	Android	10.0
Google	Android	11.0
Google	Android	12.0

References

https://corp.mediatek.com/product-security-bulletin/May-2022Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/May-2022Vendor Advisory

Timeline

Published: May 3, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-20109?

How severe is CVE-2022-20109?

CVE-2022-20109 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2022-20109?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20109?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST