Samsung Smart Phone Auto Hotspot onCharacteristicWriteRequest improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Samsung Smart Phone. Affected is the function onCharacteristicWriteRequest of the component Auto Hotspot. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2024-20816. The attack requires being on the local network. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Samsung Smart Phone (Smartphone Operating System) (affected version unknown). This issue affects the function onCharacteristicWriteRequest of the component Auto Hotspot. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.

The weakness was released 02/06/2024. It is possible to read the advisory at security.samsungmobile.com. The identification of this vulnerability is CVE-2024-20816 since 12/05/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 8.0
CNA Vector (Samsung Mobile): 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
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

12/05/2023 🔍
02/06/2024 +63 days 🔍
02/06/2024 +0 days 🔍
02/29/2024 +23 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2024-20816 (🔍)
GCVE (CVE): GCVE-0-2024-20816
GCVE (VulDB): GCVE-100-252911

Entryinfo

Created: 02/06/2024 03:58
Updated: 02/29/2024 12:52
Changes: 02/06/2024 03:58 (49), 02/29/2024 12:52 (10)
Complete: 🔍
Cache ID: 216::103

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