CVE-2025-48397
📋 TL;DR
This vulnerability allows privileged users to log in without proper credentials after enabling an application protocol in Eaton BLSS. It affects systems running vulnerable versions of Eaton BLSS software. The issue enables authentication bypass for users with elevated privileges.
💻 Affected Systems
- Eaton BLSS
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
An attacker with initial privileged access could bypass authentication entirely, gaining unauthorized administrative control over the BLSS system, potentially leading to complete system compromise.
Likely Case
Privileged users could unintentionally or intentionally bypass authentication mechanisms, leading to unauthorized access to sensitive system functions and data.
If Mitigated
With proper access controls and monitoring, the impact is limited to authorized privileged users who might bypass authentication, but system integrity remains protected by other security layers.
🎯 Exploit Status
Exploitation requires privileged user access and enabling of specific application protocol. No public exploit code has been identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.3.0.SCP004
Vendor Advisory: https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1030.pdf
Restart Required: Yes
Instructions:
1. Download patch 7.3.0.SCP004 from Eaton support portal. 2. Backup current configuration. 3. Apply patch following Eaton BLSS update procedures. 4. Restart system. 5. Verify patch installation.
🔧 Temporary Workarounds
Disable vulnerable application protocol
allDisable the specific application protocol that triggers the authentication bypass vulnerability
Consult Eaton BLSS documentation for protocol disable commands
Restrict privileged user access
allLimit the number of users with privileged access and implement strict access controls
Review and reduce privileged user accounts in BLSS administration console
🧯 If You Can't Patch
- Disable the vulnerable application protocol in BLSS configuration
- Implement strict monitoring and logging for privileged user authentication attempts
🔍 How to Verify
Check if Vulnerable:
Check BLSS version in administration console. If version is earlier than 7.3.0.SCP004 and vulnerable protocol is enabled, system is vulnerable.Check Version:
Check BLSS administration console → System Information → VersionVerify Fix Applied:
Verify BLSS version shows 7.3.0.SCP004 or later in administration console. Test privileged user authentication with protocol enabled.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns for privileged users
- Multiple failed followed by successful logins from same privileged account
- Authentication events without proper credential validation
Network Indicators:
- Authentication protocol traffic patterns changes
- Unexpected administrative access from privileged accounts
SIEM Query:
source="BLSS" AND (event_type="authentication" AND user_role="privileged" AND result="success" AND protocol_enabled="true")