High severity · published Oct 6, 2021
CVE-2021-25478
A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution
7.2
CVSS
0.6%
EPSS
No
On KEV
Description
A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
8.1; 9.0; 10.0; 11.0 · source: NVD
SM
Samsung Mobile Devices · Samsung Mobile
O(8.1), P(9.0), Q(10.0), R(11.0) before SMR Oct-2021 Release 1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25478
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25478
Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
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