VDB-176977 · CVE-2021-25389 · GCVE-0-2021-25389

Samsung S Secure prior SMR MAY-2021 Release 1 Authentication improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Samsung S Secure and classified as critical. This impacts an unknown function of the component Authentication Handler. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2021-25389. It is feasible to perform the attack on the physical device. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Samsung S Secure. Affected by this vulnerability is an unknown part of the component Authentication Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality.

The weakness was disclosed 06/12/2021. The advisory is shared at security.samsungmobile.com. This vulnerability is known as CVE-2021-25389. Neither technical details nor an exploit are publicly available.

Upgrading to version SMR MAY-2021 Release 1 eliminates this vulnerability. The upgrade is hosted for download at security.samsungmobile.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Samsung

Name

S Secure

License

commercial

Website

Vendor: https://www.samsung.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: S Secure SMR MAY-2021 Release 1

Timelineinfo

01/19/2021 🔍
06/12/2021 +143 days 🔍
06/12/2021 +0 days 🔍
06/14/2021 +2 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2021-25389 (🔍)
GCVE (CVE): GCVE-0-2021-25389
GCVE (VulDB): GCVE-100-176977

Entryinfo

Created: 06/12/2021 10:57
Updated: 06/14/2021 15:45
Changes: 06/12/2021 10:57 (38), 06/14/2021 15:39 (5), 06/14/2021 15:45 (1)
Complete: 🔍
Cache ID: 216::103