CVE-2024-20821
A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return...
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.
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
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2024-20821- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2024-18536
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.
- Record
EUVD-2024-18536- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wvp9-fc5q-j3q4
A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return...
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.
- Record
GHSA-wvp9-fc5q-j3q4- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-20821- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - 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-2024-20821 is a medium vulnerability (CVSS 4.4) in Samsung Exynos2400, published May 7, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.