CVE-2021-39671

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5

Description

In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630

Overview

CVE ID
CVE-2021-39671

Assigner
security@android.com

Vulnerability Status
Analyzed

Published Version
2022-02-11T18:15:10

Last Modified Date
2022-02-17T21:10:48

Weakness Enumerations

CWE	URL
CWE-908	http://cwe.mitre.org/data/definitions/908.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:google:android:12.0:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://source.android.com/security/bulletin/2022-02-01	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-39671
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39671

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:32:24				Added to TrackCVE
2022-12-06 09:30:33	2022-02-11T18:15Z	2022-02-11T18:15:10	CVE Published Date	updated
2022-12-06 09:30:33		2022-02-17T21:10:48	CVE Modified Date	updated
2022-12-06 09:30:33		Analyzed	Vulnerability Status	updated