CVE-2021-25374 : An improper authorization vulnerability in Samsung Members "samsungrewards" sche

An improper authorization vulnerability in Samsung Members "samsungrewards" scheme for deeplink in versions 2.4.83.9 in Android O(8.1) and below, and 3.9.00.9 in Android P(9.0) and above allows remote attackers to access a user data related with Samsung Account.

Published 2021-04-09 18:15:15

Updated 2022-07-14 15:44:13

Source Samsung Mobile

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2021-25374

Samsung » Members
Versions from including (>=) 3.9.00.9
cpe:2.3:a:samsung:members:*:*:*:*:*:*:*:*
Matching versions
When used together with: Google » Android » Version: 9.0
Samsung » Members
Versions up to, including, (<=) 2.4.83.9
cpe:2.3:a:samsung:members:*:*:*:*:*:*:*:*
Matching versions
When used together with: Google » Android » Version: 8.1

Exploit prediction scoring system (EPSS) score for CVE-2021-25374

EPSS FAQ

7.64%

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

~ 91 %

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

CVSS scores for CVE-2021-25374

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
8.6	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N	3.9	4.0	Samsung Mobile
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-25374

CWE-285 Improper Authorization

The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Assigned by: mobile.security@samsung.com (Secondary)

References for CVE-2021-25374

https://security.samsungmobile.com/

Samsung Mobile Security
Vendor Advisory

CVEs referencing this url
https://security.samsungmobile.com/serviceWeb.smsb

Security Updates Other Updates | Samsung Mobile Security
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-25374

Products affected by CVE-2021-25374

Exploit prediction scoring system (EPSS) score for CVE-2021-25374

CVSS scores for CVE-2021-25374

CWE ids for CVE-2021-25374

References for CVE-2021-25374