CVE-2021-0409

Name: CVE-2021-0409
Creator: NVD / NIST
Published: 2021-10-25T14:15:08.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2021-0409 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In flv extractor, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with no additional execution privileges needed. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

In flv extractor, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05561359; Issue ID: ALPS05561359.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Google	Android	10.0
Google	Android	11.0

References

https://corp.mediatek.com/product-security-bulletin/October-2021Third Party Advisory
https://corp.mediatek.com/product-security-bulletin/October-2021Third Party Advisory

Timeline

Published: Oct 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0409?

How severe is CVE-2021-0409?

CVE-2021-0409 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0409?

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-2021-0409?

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

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Source: NVD / NIST