Samsung Devices ImsService intent by broadcast receiver

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Devices and classified as critical. This impacts an unknown function of the component ImsService. Such manipulation leads to intent by broadcast receiver. This vulnerability is listed as CVE-2025-21027. The attack must be carried out locally. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Samsung Devices (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component ImsService. The manipulation with an unknown input leads to a intent by broadcast receiver vulnerability. Using CWE to declare the problem leads to CWE-925. The Android application uses a Broadcast Receiver that receives an Intent but does not properly verify that the Intent came from an authorized source. Impacted is integrity, and availability. CVE summarizes:

Improper verification of intent by broadcast receiver in ImsService prior to SMR Sep-2025 Release 1 allows local attackers to temporarily disable the SIM.

The advisory is available at security.samsungmobile.com. This vulnerability is handled as CVE-2025-21027 since 11/06/2024. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1943). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Samsung Android

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔒

CNA Base Score: 5.1
CNA Vector (SamsungMobile): 🔒

CVSSv2info

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

Exploitinginfo

Class: Intent by broadcast receiver
CWE: CWE-925
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: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/06/2024 CVE reserved
09/03/2025 +300 days Advisory disclosed
09/03/2025 +0 days VulDB entry created
09/15/2025 +12 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-21027 (🔒)
GCVE (CVE): GCVE-0-2025-21027
GCVE (VulDB): GCVE-100-322298
CERT Bund: WID-SEC-2025-1943 - Samsung Android: Mehrere Schwachstellen

Entryinfo

Created: 09/03/2025 10:02
Updated: 09/15/2025 09:56
Changes: 09/03/2025 10:02 (62), 09/12/2025 03:40 (10), 09/15/2025 09:56 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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