CVE-2025-48633 — Android Critical Information Disclosure (Zero-Day Exploited in the Wild)
Although it does not allow remote code execution, the vulnerability is particularly dangerous because it enables unauthorized access to sensitive system information, which can be leveraged as part of larger, multi-stage attack chains. Google addressed the issue in the December 2025 Android Security Bulletin, urging users and enterprises to apply updates immediately.
This vulnerability highlights a recurring and critical problem in mobile security: information disclosure flaws that quietly enable deeper compromise when combined with other vulnerabilities or malicious applications.
Technical Summary
🔹 Vulnerability Identifier
CVE ID: CVE-2025-48633
Severity: High
Type: Information Disclosure
Attack Vector: Local (malicious app or local access)
Exploitation Status: Actively exploited (limited scope)
Affected Component:
DevicePolicyManagerServicePatched: December 2025 Android Security Update
What Is the Vulnerability?
CVE-2025-48633 stems from a logic flaw in Android’s DevicePolicyManagerService, specifically within the method:
hasAccountsOnAnyUser()
This method is intended to return account-related information only to callers with appropriate privileges. However, due to insufficient permission validation, certain unauthorized processes can query sensitive device or user state data.
What Makes This Dangerous?
The flaw allows an attacker to:
Bypass intended permission checks
Query account-related metadata
Infer security posture or configuration details
Gather information useful for follow-on attacks
Importantly, the vulnerability does not require root access and can be exploited by a malicious local application, making it particularly relevant in:
Bring-Your-Own-Device (BYOD) environments
Enterprise Android deployments
Devices with sideloaded or third-party apps
Real-World Exploitation
🔥 Zero-Day Status
Google confirmed that CVE-2025-48633 was:
Exploited in the wild
Used in targeted attacks
Detected before a patch was available
This led to its classification as a zero-day vulnerability in the December 2025 Android Security Bulletin.
🎯 Scope of Exploitation
While not mass-exploited, the vulnerability was used in:
Targeted surveillance operations
Advanced persistent threat (APT) activity
Reconnaissance stages of mobile exploitation chains
Security researchers believe it was primarily used to:
Gather device intelligence
Identify high-value targets
Enable chaining with privilege-escalation exploits
Why Information Disclosure Vulnerabilities Matter
At first glance, information disclosure bugs may seem less severe than remote code execution flaws. However, in real-world attacks, they often play a critical enabling role.
How Attackers Use This Type of Vulnerability
Reconnaissance
Identify device configuration
Determine OS version and patch level
Detect enterprise security controls
Exploit Chaining
Combine with privilege escalation bugs
Assist in sandbox escapes
Aid exploit reliability
Persistence & Evasion
Detect security tools
Avoid triggering defenses
Customize payload behavior
Credential or Token Exposure
Leak account-related metadata
Assist in lateral movement
In modern mobile attacks, information disclosure is often the first step, not the last.
Affected Android Versions
According to Google and third-party security researchers, CVE-2025-48633 impacts:
Android 13
Android 14
Android 15
Android 16 (early builds)
Because Android is heavily fragmented, the real-world risk depends on:
OEM patching speed
Carrier update delays
Whether devices receive monthly security updates
Patch and Mitigation Details
✅ Official Fix
Google resolved the issue in the:
December 2025 Android Security Bulletin
Patch level: 2025-12-01 or later
The fix corrects the permission enforcement logic in DevicePolicyManagerService, preventing unauthorized access to account-related data.
Recommended Mitigation Steps
For End Users
Update Android immediately
Verify security patch level is December 2025 or newer
Avoid installing apps from untrusted sources
For Enterprises
Enforce minimum patch levels via MDM
Monitor devices for outdated firmware
Restrict sideloading
Enable Google Play Protect
Audit DevicePolicyManager access logs where possible
For Security Teams
Monitor for abnormal API usage
Look for suspicious app behavior
Correlate with other Android zero-days
Assume compromise if device is unpatched and targeted
Security Implications for Enterprises
CVE-2025-48633 reinforces several critical lessons:
🔐 1. Mobile Devices Are Prime Targets
Mobile devices increasingly store:
Authentication tokens
Corporate credentials
VPN access
MFA secrets
🔗 2. Exploit Chains Are the Norm
Modern attacks rarely rely on a single vulnerability. This flaw likely served as:
Reconnaissance
Exploit enabler
Persistence aid
🕵️ 3. Zero-Days Are No Longer Rare
Android zero-days are now:
Regularly exploited
Highly valuable
Often used in espionage campaigns
Strategic Takeaways
| Area | Impact |
|---|---|
| Severity | High |
| Exploitability | Local, limited but real |
| Threat Level | Elevated |
| Patch Urgency | Immediate |
| Enterprise Risk | Significant |
| Attack Use Case | Recon + exploit chaining |
Final Summary
CVE-2025-48633 is a high-impact Android information disclosure vulnerability that was actively exploited as a zero-day before being patched by Google. While it does not allow direct remote code execution, its ability to expose sensitive system and account information makes it a powerful tool in advanced attack chains.
The vulnerability underscores a growing trend in mobile exploitation:
Attackers increasingly rely on subtle information leaks to enable larger, more damaging compromises.
Organizations and individuals should ensure that:
Devices are fully patched
Security updates are enforced
Mobile threat detection is in place
Failure to do so leaves systems vulnerable not just to this flaw—but to the next exploit it enables.