CVE-2022-20040

Name: CVE-2022-20040
Creator: NVD / NIST
Published: 2022-02-09T23:15:17.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2022-20040 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In power_hal_manager_service, there is a possible permission bypass due to a stack-based buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

In power_hal_manager_service, there is a possible permission bypass due to a stack-based buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06219150; Issue ID: ALPS06219150.

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

0.13%

2.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Google	Android	11.0
Google	Android	12.0

References

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

Timeline

Published: Feb 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-20040?

How severe is CVE-2022-20040?

CVE-2022-20040 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2022-20040?

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-2022-20040?

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

Scan your code now

Source: NVD / NIST