Buffer overflow in Samsung Android

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions SMR Mar-2024 Release in Selected Android 11, 12, 13, 14 MediaTek devices

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20831?: CVE-2024-20831 is a medium-severity vulnerability in Samsung Android, classified under Out-of-bounds Write. CVSS score: 6.4/10. Published 2024-03-05.
How severe is CVE-2024-20831?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2024-20831 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.