VDB-334007 · CVE-2025-21072 · EUVD-2025-200145

Samsung Devices Fingerprint Trustlet out-of-bounds write

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Devices. This vulnerability affects unknown code of the component Fingerprint Trustlet. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2025-21072. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Devices (affected version not known). It has been rated as problematic. This issue affects some unknown functionality of the component Fingerprint Trustlet. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Out-of-bounds write in decoding metadata in fingerprint trustlet prior to SMR Dec-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.

It is possible to read the advisory at security.samsungmobile.com. The identification of this vulnerability is CVE-2025-21072 since 11/06/2024. The exploitation is known to be difficult. Attacking locally is a requirement. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202512-328) and EUVD (EUVD-2025-200145). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Samsung

Name

Devices

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔒

CNA Base Score: 5.7
CNA Vector (SamsungMobile): 🔒

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: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
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: 🔒

Timelineinfo

11/06/2024 CVE reserved
12/02/2025 +391 days Advisory disclosed
12/02/2025 +0 days VulDB entry created
12/05/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-21072 (🔒)
GCVE (CVE): GCVE-0-2025-21072
GCVE (VulDB): GCVE-100-334007
EUVD: 🔒
CNNVD: CNNVD-202512-328 - SAMSUNG Mobile devices 安全漏洞

Entryinfo

Created: 12/02/2025 08:02
Updated: 12/05/2025 20:57
Changes: 12/02/2025 08:02 (62), 12/03/2025 08:18 (1), 12/03/2025 14:53 (6), 12/05/2025 20:57 (11)
Complete: 🔍
Cache ID: 216::103