CVE-2024-20820
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows attacker to cause...
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.
- Record
CVE-2024-20820- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
EUVDEUVD-2024-18535
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.
- Record
EUVD-2024-18535- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pc53-x582-24xc
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows attacker to cause...
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows attacker to cause an Out-Of-Bounds read.
- Record
GHSA-pc53-x582-24xc- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Improper input validation in bootloader prior to SMR Feb-2024 Release 1 allows local privileged attackers to cause an Out-Of-Bounds read.
- Record
CVE-2024-20820- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-20820 is a medium vulnerability (CVSS 4.4) in Samsung Android, published February 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.