high
7.1
CWE
125 20
EPSS
0.043%
Advisory Published
Updated

CVE-2024-20820: Input Validation

First published: Tue Feb 06 2024(Updated: )

Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.

Credit: mobile.security@samsung.com

Affected SoftwareAffected VersionHow to fix
Samsung Android=11.0
Samsung Android=11.0-smr-apr-2021-r1
Samsung Android=11.0-smr-apr-2022-r1
Samsung Android=11.0-smr-apr-2023-r1
Samsung Android=11.0-smr-aug-2021-r1
Samsung Android=11.0-smr-aug-2022-r1
Samsung Android=11.0-smr-aug-2023-r1
Samsung Android=11.0-smr-dec-2020-r1
Samsung Android=11.0-smr-dec-2021-r1
Samsung Android=11.0-smr-dec-2022-r1
Samsung Android=11.0-smr-dec-2023-r1
Samsung Android=11.0-smr-feb-2021-r1
Samsung Android=11.0-smr-feb-2022-r1
Samsung Android=11.0-smr-feb-2023-r1
Samsung Android=11.0-smr-feb-2024-r1
Samsung Android=11.0-smr-jan-2021-r1
Samsung Android=11.0-smr-jan-2022-r1
Samsung Android=11.0-smr-jan-2023-r1
Samsung Android=11.0-smr-jan-2024-r1
Samsung Android=11.0-smr-jul-2021-r1
Samsung Android=11.0-smr-jul-2022-r1
Samsung Android=11.0-smr-jul-2023-r1
Samsung Android=11.0-smr-jun-2021-r1
Samsung Android=11.0-smr-jun-2022-r1
Samsung Android=11.0-smr-jun-2023-r1
Samsung Android=11.0-smr-mar-2021-r1
Samsung Android=11.0-smr-mar-2022-r1
Samsung Android=11.0-smr-mar-2023-r1
Samsung Android=11.0-smr-may-2021-r1
Samsung Android=11.0-smr-may-2022-r1
Samsung Android=11.0-smr-may-2023-r1
Samsung Android=11.0-smr-nov-2021-r1
Samsung Android=11.0-smr-nov-2022-r1
Samsung Android=11.0-smr-nov-2023-r1
Samsung Android=11.0-smr-oct-2021-r1
Samsung Android=11.0-smr-oct-2022-r1
Samsung Android=11.0-smr-oct-2023-r1
Samsung Android=11.0-smr-sep-2021-r1
Samsung Android=11.0-smr-sep-2022-r1
Samsung Android=11.0-smr-sep-2023-r1
Samsung Android=12.0
Samsung Android=12.0-smr-apr-2022-r1
Samsung Android=12.0-smr-apr-2023-r1
Samsung Android=12.0-smr-aug-2022-r1
Samsung Android=12.0-smr-aug-2023-r1
Samsung Android=12.0-smr-dec-2021-r1
Samsung Android=12.0-smr-dec-2022-r1
Samsung Android=12.0-smr-dec-2023-r1
Samsung Android=12.0-smr-feb-2022-r1
Samsung Android=12.0-smr-feb-2023-r1
Samsung Android=12.0-smr-feb-2024-r1
Samsung Android=12.0-smr-jan-2022-r1
Samsung Android=12.0-smr-jan-2023-r1
Samsung Android=12.0-smr-jan-2024-r1
Samsung Android=12.0-smr-jul-2022-r1
Samsung Android=12.0-smr-jul-2023-r1
Samsung Android=12.0-smr-jun-2022-r1
Samsung Android=12.0-smr-jun-2023-r1
Samsung Android=12.0-smr-mar-2022-r1
Samsung Android=12.0-smr-mar-2023-r1
Samsung Android=12.0-smr-may-2022-r1
Samsung Android=12.0-smr-may-2023-r1
Samsung Android=12.0-smr-nov-2021-r1
Samsung Android=12.0-smr-nov-2022-r1
Samsung Android=12.0-smr-nov-2023-r1
Samsung Android=12.0-smr-oct-2022-r1
Samsung Android=12.0-smr-oct-2023-r1
Samsung Android=12.0-smr-sep-2022-r1
Samsung Android=12.0-smr-sep-2023-r1
Samsung Android=13.0
Samsung Android=13.0-smr-apr-2023-r1
Samsung Android=13.0-smr-aug-2023-r1
Samsung Android=13.0-smr-dec-2022-r1
Samsung Android=13.0-smr-dec-2023-r1
Samsung Android=13.0-smr-feb-2023-r1
Samsung Android=13.0-smr-feb-2024-r1
Samsung Android=13.0-smr-jan-2023-r1
Samsung Android=13.0-smr-jan-2024-r1
Samsung Android=13.0-smr-jul-2023-r1
Samsung Android=13.0-smr-jun-2023-r1
Samsung Android=13.0-smr-mar-2023-r1
Samsung Android=13.0-smr-may-2023-r1
Samsung Android=13.0-smr-nov-2022-r1
Samsung Android=13.0-smr-nov-2023-r1
Samsung Android=13.0-smr-oct-2022-r1
Samsung Android=13.0-smr-oct-2023-r1
Samsung Android=13.0-smr-sep-2023-r1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2024-20820?

    The severity of CVE-2024-20820 has not been explicitly rated but is related to improper input validation that can lead to an Out-Of-Bounds read.

  • How do I fix CVE-2024-20820?

    To fix CVE-2024-20820, update the bootloader to the latest version mentioned in the SMR Feb-2024 Release.

  • Who is affected by CVE-2024-20820?

    CVE-2024-20820 affects local users with privileged access to devices running Samsung Android versions prior to the SMR Feb-2024 Release 1.

  • What causes CVE-2024-20820?

    CVE-2024-20820 is caused by improper input validation in the bootloader that allows local privilege escalation.

  • Can CVE-2024-20820 be exploited remotely?

    CVE-2024-20820 cannot be exploited remotely as it requires local access to the affected devices.

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