CVE-2021-23244 : ColorOS pregrant dangerous permissions to apps which are listed in a whitelist x

ColorOS pregrant dangerous permissions to apps which are listed in a whitelist xml named default-grant-permissions.But some apps in whitelist is not installed, attacker can disguise app with the same package name to obtain dangerous permission.

Published 2021-12-27 19:15:08

Updated 2022-07-12 17:42:04

Source OPPO Mobile Telecommunication Corp., Ltd.

View at NVD, CVE.org

Products affected by CVE-2021-23244

Oppo » Coloros » Version: 11 For Android
cpe:2.3:o:oppo:coloros:11:*:*:*:*:android:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-23244

EPSS FAQ

0.16%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 34 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23244

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2021-23244

https://security.oppo.com/en/noticeDetail?notice_only_key=NOTICE-1474214753353342976

OPPO Security Response Center | OSRC
Vendor Advisory

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Vulnerability Details : CVE-2021-23244

Products affected by CVE-2021-23244

Exploit prediction scoring system (EPSS) score for CVE-2021-23244

CVSS scores for CVE-2021-23244

References for CVE-2021-23244