CVE-2020-0409

Name: CVE-2020-0409
Creator: NVD / NIST
Published: 2020-11-10T13:15:11.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2020-0409 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In create of FileMap.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

In create of FileMap.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-8.0 Android-8.1 Android-9Android ID: A-156997193

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

0.25%

16.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	8.0
Google	Android	8.1
Google	Android	9.0
Google	Android	10.0

References

https://source.android.com/security/bulletin/2020-11-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/2020-11-01Patch, Vendor Advisory

Timeline

Published: Nov 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-0409?

How severe is CVE-2020-0409?

CVE-2020-0409 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0409?

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-2020-0409?

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

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Source: NVD / NIST