CVE-2021-39771

CVSS V2 Medium 6.8 CVSS V3 High 7.8

Description

In Settings, there is a possible way to misrepresent which app wants to add a wifi network due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-198661951

Overview

CVE ID
CVE-2021-39771

Assigner
security@android.com

Vulnerability Status
Analyzed

Published Version
2022-03-30T16:15:10

Last Modified Date
2022-04-05T16:37:50

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:google:android:12.1:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://source.android.com/security/bulletin/android-12l

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-39771
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39771

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:40:12				Added to TrackCVE
2022-12-06 13:44:33	2022-03-30T16:15Z	2022-03-30T16:15:10	CVE Published Date	updated
2022-12-06 13:44:33		2022-04-05T16:37:50	CVE Modified Date	updated
2022-12-06 13:44:33		Analyzed	Vulnerability Status	updated