Vulnerability Details : 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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-25478
- cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-25478
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-25478
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
Samsung Mobile | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2021-25478
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: mobile.security@samsung.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-25478
-
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
Security Updates Firmware Updates | Samsung Mobile SecurityVendor Advisory
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