Vulnerability in Samsung Mobile Devices

CVE-2024-20821

A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return Merchandise Authorization) mode, which disables security features. This attack needs additional privilege to control TEE.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-20821: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-20821?
CVE-2024-20821 is a medium-severity vulnerability in Samsung Mobile Devices, classified under CWE-1326: MISSING IMMUTABLE ROOT OF TRUST IN HARDWARE. CVSS score: 4.4/10. Published 2024-05-07.
How severe is CVE-2024-20821?
Medium severity. CVSS v3 base score is 4.4 out of 10.
Is CVE-2024-20821 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.