CVE-2025-48027
📋 TL;DR
The HttpAuth plugin in pGina.Fork allows authentication bypass when an attacker controls DNS resolution for the pginaloginserver domain. This vulnerability enables unauthorized access to systems using pGina for authentication. Organizations using pGina.Fork with the HttpAuth plugin are affected.
💻 Affected Systems
- pGina.Fork
⚠️ 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
Complete system compromise through unauthorized administrative access, leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Unauthorized user access to systems and applications relying on pGina authentication, potentially enabling privilege escalation and lateral movement.
If Mitigated
Limited impact with proper network segmentation and DNS security controls preventing attacker-controlled DNS resolution.
🎯 Exploit Status
Exploitation requires DNS control but is technically simple once that condition is met. The GitHub reference provides technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Disable or remove the HttpAuth plugin as the primary mitigation.
🔧 Temporary Workarounds
Disable HttpAuth Plugin
windowsRemove or disable the vulnerable HttpAuth plugin from pGina.Fork configuration
Navigate to pGina configuration and disable HttpAuth plugin
Use Alternative Authentication
windowsSwitch to a different authentication plugin that doesn't rely on DNS resolution
Configure pGina to use LDAP, local accounts, or other secure authentication methods
🧯 If You Can't Patch
- Implement strict DNS security controls and DNSSEC to prevent DNS spoofing
- Network segmentation to isolate pGina servers from untrusted networks
🔍 How to Verify
Check if Vulnerable:
Check pGina.Fork version and verify if HttpAuth plugin is enabled in configurationCheck Version:
Check pGina version in program files or via pGina configuration interfaceVerify Fix Applied:
Confirm HttpAuth plugin is disabled or removed from pGina configuration📡 Detection & Monitoring
Log Indicators:
- Failed authentication attempts followed by successful logins from unexpected sources
- DNS resolution errors or unusual DNS queries for pginaloginserver
Network Indicators:
- Unusual DNS traffic patterns, DNS poisoning attempts
- Authentication requests to unexpected IP addresses
SIEM Query:
Authentication logs showing successful logins after DNS-related errors or from IPs not matching expected pginaloginserver