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Google_androidCVE-2021-0994

HistoryDec 15, 2021 - 7:15 p.m.

CVE-2021-0994

2021-12-1519:15:12

CWE-862

google_android

web.nvd.nist.gov

cve-2021-0994

android

connectivityservice.java

local information disclosure

security vulnerability

nvd

cve

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

3.6

Confidence

High

EPSS

Percentile

5.1%

JSON

In requestRouteToHostAddress of ConnectivityService.java, there is a possible way to determine whether an app is installed, without query permissions, due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193801134

Affected configurations

Nvd

Vulners

Node

googleandroidMatch12.0

VendorProductVersionCPE
googleandroid12.0cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
google	android	12.0	cpe:2.3:o:google:android:12.0:::::::*

CNA Affected

[
  {
    "product": "Android",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Android-12"
      }
    ]
  }
]

References

source.android.com/security/bulletin/pixel/2021-12-01

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

3.6

Confidence

High

EPSS

Percentile

5.1%

JSON

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