Vulnerability Details : CVE-2022-20538
In getSmsRoleHolder of RoleService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-235601770
Published
2022-12-16 16:15:18
Updated
2022-12-19 19:55:38
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2022-20538
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-2022-20538
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2022-20538
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-20538
-
https://source.android.com/security/bulletin/pixel/2022-12-01
Pixel Update Bulletin—December2022 | Android Open Source ProjectPatch;Vendor Advisory
Products affected by CVE-2022-20538
- cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*