CVE-2024-20831

Name: CVE-2024-20831
Creator: NVD / NIST
Published: 2024-03-05T05:15:09.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2024-20831 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Stack overflow in Little Kernel in bootloader prior to SMR Mar-2024 Release 1 allows local privileged attackers to execute arbitrary code.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Stack overflow in Little Kernel in bootloader prior to SMR Mar-2024 Release 1 allows local privileged attackers to execute arbitrary code.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.15%

4.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Samsung	Android	11.0
Samsung	Android	12.0
Samsung	Android	13.0
Samsung	Android	14.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2024&month=03Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2024&month=03Vendor Advisory

Timeline

Published: Mar 5, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-20831?

Stack overflow in Little Kernel in bootloader prior to SMR Mar-2024 Release 1 allows local privileged attackers to execute arbitrary code.

How severe is CVE-2024-20831?

CVE-2024-20831 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2024-20831?

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-2024-20831?

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

Scan your code now

Source: NVD / NIST