Samsung Notes up to 4.4.21.62 Text Content out-of-bounds

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 (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Notes. It has been declared as problematic. This vulnerability affects unknown code of the component Text Content Handler. The manipulation results in out-of-bounds. This vulnerability is reported as CVE-2025-20921. The attack requires a local approach. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Notes. It has been classified as problematic. Affected is some unknown processing of the component Text Content Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. CVE summarizes:

Out-of-bounds read in applying binary of text content in Samsung Notes prior to version 4.4.26.71 allows attackers to read out-of-bounds memory.

The advisory is shared for download at security.samsungmobile.com. This vulnerability is traded as CVE-2025-20921 since 11/06/2024. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.4.26.71 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (SamsungMobile): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Notes 4.4.26.71

Timelineinfo

11/06/2024 🔍
03/06/2025 +120 days 🔍
03/06/2025 +0 days 🔍
07/17/2025 +132 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-20921 (🔍)
GCVE (CVE): GCVE-0-2025-20921
GCVE (VulDB): GCVE-100-298752

Entryinfo

Created: 03/06/2025 07:46
Updated: 07/17/2025 01:09
Changes: 03/06/2025 07:46 (65), 07/17/2025 01:09 (12)
Complete: 🔍
Cache ID: 216::103

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