Samsung Smart Phone Contacts improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Smart Phone. It has been rated as critical. This issue affects some unknown processing of the component Contacts. Performing a manipulation results in improper authorization. This vulnerability is identified as CVE-2023-21436. The attack is only possible with local access. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Samsung Smart Phone (Smartphone Operating System) (version unknown). This affects an unknown function of the component Contacts. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. The summary by CVE is:

Improper usage of implicit intent in Contacts prior to SMR Feb-2023 Release 1 allows attacker to get account ID.

The weakness was released 02/09/2023. The advisory is shared at security.samsungmobile.com. This vulnerability is uniquely identified as CVE-2023-21436 since 11/14/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25604). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 3.1
VulDB Meta Temp Score: 3.1

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CNA Base Score: 3.3
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: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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 🔍
02/09/2023 +87 days 🔍
02/09/2023 +0 days 🔍
09/15/2025 +949 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2023-21436 (🔍)
GCVE (CVE): GCVE-0-2023-21436
GCVE (VulDB): GCVE-100-220521
EUVD: 🔍

Entryinfo

Created: 02/09/2023 22:03
Updated: 09/15/2025 20:23
Changes: 02/09/2023 22:03 (49), 03/09/2023 11:40 (11), 09/15/2025 20:23 (16)
Complete: 🔍
Cache ID: 216::103

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

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