CVE-2024-20820: Input Validation
Published Feb 6, 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.
Affected Software
87 affected components
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
Event History
Feb 6, 2024
CVE Published
via MITRE·02:23 AM
Data Sourced
via MITRE·02:23 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
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.
2
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.
3
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.
4
What causes CVE-2024-20820?
CVE-2024-20820 is caused by improper input validation in the bootloader that allows local privilege escalation.
5
Can CVE-2024-20820 be exploited remotely?
CVE-2024-20820 cannot be exploited remotely as it requires local access to the affected devices.