Vulnerability Details : CVE-2021-39680
In sec_SHA256_Transform of sha256_core.c, there is a possible way to read heap data due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-197965864References: N/A
Published
2022-01-14 20:15:11
Updated
2022-01-19 20:31:34
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2021-39680
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-39680
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
0.8
|
3.6
|
NIST |
CWE ids for CVE-2021-39680
-
The product uses or accesses a resource that has not been initialized.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39680
-
https://source.android.com/security/bulletin/pixel/2022-01-01
Pixel Update Bulletin—January 2022 | Android Open Source ProjectVendor Advisory
Products affected by CVE-2021-39680
- cpe:2.3:o:google:android:-:*:*:*:*:*:*:*