Samsung Smart Phone mPOS TUI Trustlet TA_Communication_mpos_encrypt_pin out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Smart Phone. The affected element is the function TA_Communication_mpos_encrypt_pin of the component mPOS TUI Trustlet. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2023-21499. The attack must be initiated from a local position. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Samsung Smart Phone (Smartphone Operating System) (affected version not known). This affects the function TA_Communication_mpos_encrypt_pin of the component mPOS TUI Trustlet. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Out-of-bounds write vulnerability in TA_Communication_mpos_encrypt_pin in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to execute arbitrary code.

The weakness was shared 05/05/2023. The advisory is shared at security.samsungmobile.com. This vulnerability is uniquely identified as CVE-2023-21499 since 11/14/2022. Technical details are known, but no exploit is available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25667). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Samsung Mobile): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/14/2022 🔍
05/05/2023 +171 days 🔍
05/05/2023 +0 days 🔍
09/17/2025 +866 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2023-21499 (🔍)
GCVE (CVE): GCVE-0-2023-21499
GCVE (VulDB): GCVE-100-228069
EUVD: 🔍

Entryinfo

Created: 05/05/2023 08:13
Updated: 09/17/2025 12:28
Changes: 05/05/2023 08:13 (50), 05/28/2023 08:52 (11), 09/17/2025 12:28 (16)
Complete: 🔍
Cache ID: 216::103

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