Medium severity · published May 7, 2024
CVE-2024-20821
A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return Merchandise Authorization) mode, which disables security features
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Samsung Mobile Devices · Samsung Mobile
All versions, or not specified · source: vendor
E1
Exynos 1330 · Samsung
All versions, or not specified · source: CISA
E1
Exynos 1380 · Samsung
All versions, or not specified · source: CISA
EX
Exynos2400 · Samsung
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-20821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-20821
security.samsungmobile.com
https://security.samsungmobile.com/serviceWeb.smsb?year=2024&month=05
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