Vulnerability Details : CVE-2021-39687
In HandleTransactionIoEvent of actuator_driver.cc, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204421047References: N/A
Published
2022-02-11 18:15:11
Updated
2022-02-18 20:04:47
Vulnerability category: OverflowInformation leak
Products affected by CVE-2021-39687
- cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39687
0.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 2 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39687
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-39687
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39687
-
https://source.android.com/security/bulletin/pixel/2022-02-01
Pixel Update Bulletin—February 2022 | Android Open Source ProjectVendor Advisory
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