CVE-2025-58481: Samsung MotionPhoto Privilege Escalation

CVE-2025-58481 Overview

CVE-2025-58481 is a high-severity improper access control vulnerability discovered in the MPRemoteService component of Samsung MotionPhoto. This flaw allows local attackers to start privileged services, potentially leading to privilege escalation on affected devices. The vulnerability affects Samsung MotionPhoto versions prior to 4.1.51 and has been assigned a CVSS v3.1 score of 7.8, indicating significant security risk.

Critical Impact

Local attackers can exploit improper access control in MPRemoteService to start privileged services, potentially gaining elevated permissions on Samsung mobile devices running vulnerable MotionPhoto versions.

Affected Products

• Samsung MotionPhoto versions prior to 4.1.51
• Samsung mobile devices with MotionPhoto application installed
• Android devices utilizing Samsung MotionPhoto media processing features

Discovery Timeline

• 2025-12-02 - CVE-2025-58481 published to NVD
• 2025-12-04 - Last updated in NVD database

Technical Details for CVE-2025-58481

Vulnerability Analysis

The vulnerability resides in the MPRemoteService component of Samsung MotionPhoto, which handles remote service operations for the application. The improper access control flaw stems from insufficient validation of service invocation requests, allowing unauthorized local processes to interact with and start privileged service components.

The CVSS v3.1 vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H indicates:

• Attack Vector (AV:L): Local access required
• Attack Complexity (AC:L): Low complexity to exploit
• Privileges Required (PR:L): Low privileges needed
• User Interaction (UI:N): No user interaction required
• Impact: High confidentiality, integrity, and availability impact

The EPSS score of 0.012% with a percentile of 1.321 suggests a relatively low probability of exploitation in the wild, though the high CVSS score warrants immediate attention.

Root Cause

The root cause of CVE-2025-58481 lies in inadequate access control mechanisms within the MPRemoteService implementation. The service fails to properly verify the caller's identity and permissions before allowing service startup operations. This lack of proper authorization checks enables malicious local applications or processes to invoke privileged service functionality that should be restricted to trusted system components only.

Attack Vector

An attacker with local access to a Samsung device running a vulnerable version of MotionPhoto can exploit this vulnerability through the following attack pattern:

1. A malicious application installed on the device identifies the exposed MPRemoteService component
2. The attacker crafts service requests targeting the vulnerable service endpoint
3. Due to improper access control, the service accepts and processes the unauthorized request
4. The privileged service is started, granting the attacker elevated capabilities

The vulnerability allows attackers to bypass normal permission restrictions and gain access to privileged service operations. Technical details regarding the specific exploitation mechanism can be found in Samsung's security advisory at https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=12.

Detection Methods for CVE-2025-58481

Indicators of Compromise

• Unexpected service startup events related to MPRemoteService in system logs
• Anomalous inter-process communication (IPC) patterns targeting MotionPhoto services
• Unusual permission elevation attempts from low-privileged applications
• Suspicious activity logs showing unauthorized access to privileged service components

Detection Strategies

Organizations can implement the following detection strategies to identify potential exploitation attempts:

Log Monitoring: Monitor Android system logs for unauthorized service invocation attempts targeting MPRemoteService. Look for patterns of repeated service access from untrusted application contexts.

Behavioral Analysis: Deploy endpoint detection solutions capable of monitoring for privilege escalation behaviors on Samsung mobile devices. SentinelOne's behavioral AI can detect anomalous process interactions indicative of access control bypass attempts.

Application Auditing: Regularly audit installed applications for known malicious packages that may attempt to exploit this vulnerability.

Monitoring Recommendations

Implement continuous monitoring for Samsung device fleets with focus on:

1. Service startup events from MotionPhoto components
2. IPC traffic patterns between applications and system services
3. Permission usage anomalies that may indicate exploitation
4. Application behavior monitoring for signs of privilege escalation

How to Mitigate CVE-2025-58481

Immediate Actions Required

• Update Samsung MotionPhoto to version 4.1.51 or later immediately
• Review installed applications and remove any untrusted or suspicious apps
• Enable Samsung Knox security features for enhanced device protection
• Deploy mobile device management (MDM) solutions to enforce security policies

Patch Information

Samsung has released a security patch addressing CVE-2025-58481 in MotionPhoto version 4.1.51. The patch implements proper access control validation in the MPRemoteService component, ensuring only authorized processes can invoke privileged service operations.

Users should update their MotionPhoto application through the Galaxy Store or Samsung's official update channels. Enterprise administrators can leverage MDM solutions to push updates across managed device fleets. Detailed patch information is available in Samsung's December 2025 security bulletin at https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=12.

Workarounds

If immediate patching is not feasible, consider the following temporary mitigations:

1. Restrict Application Installation: Limit app installations to trusted sources only (Galaxy Store, Google Play) to reduce the risk of malicious applications exploiting this vulnerability

2. Enable Samsung Knox: Utilize Samsung Knox security features to create containerized environments that isolate sensitive data and services

3. Application Permissions Review: Regularly review and restrict application permissions to minimize the attack surface

4. Device Monitoring: Implement enhanced monitoring on affected devices until patches can be applied

# Check current MotionPhoto version on device
# Settings > Apps > MotionPhoto > App Info
# Verify version is 4.1.51 or higher

# For enterprise MDM deployment
# Configure policy to enforce minimum app version
# minimum_version: "4.1.51"
# app_package: "com.samsung.android.motionphoto"