CVE-2025-12508

8.4 HIGH

📋 TL;DR

This vulnerability exposes Active Directory authentication data when domain users are configured as BRAIN2 users, as communication occurs without encryption. Attackers can intercept credentials and compromise domain accounts. Organizations using Bizerba BRAIN2 systems with domain user integration are affected.

💻 Affected Systems

Products:
  • Bizerba BRAIN2
Versions: All versions prior to the fix
Operating Systems: Windows Server with Active Directory integration
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects configurations where domain users are used as BRAIN2 users. Local BRAIN2 users are not affected.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Domain credential theft leading to full domain compromise, lateral movement, and data exfiltration.

🟠

Likely Case

Interception of authentication data allowing unauthorized access to BRAIN2 systems and potentially other domain resources.

🟢

If Mitigated

Limited to internal network exposure with encrypted AD communications preventing credential interception.

🌐 Internet-Facing: LOW - This vulnerability primarily affects internal AD communications, not typically internet-facing.
🏢 Internal Only: HIGH - Internal attackers or compromised systems can intercept unencrypted AD authentication traffic.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires network access to intercept unencrypted AD communications. No authentication bypass needed once network access is obtained.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Refer to vendor advisory for specific patched versions

Vendor Advisory: https://www.bizerba.com/downloads/global/information-security/2025/bizerba-sa-2025-0006.pdf

Restart Required: Yes

Instructions:

1. Review vendor advisory for patched versions. 2. Apply the security update to all BRAIN2 systems. 3. Restart BRAIN2 services. 4. Verify encryption is enabled for AD communications.

🔧 Temporary Workarounds

Enable AD encryption

windows

Configure Active Directory to require encrypted communications (LDAPS or Kerberos encryption)

Use local BRAIN2 accounts

all

Switch from domain user authentication to local BRAIN2 user accounts

🧯 If You Can't Patch

  • Segment network to isolate BRAIN2-AD communications from untrusted networks
  • Implement network monitoring for unencrypted AD authentication attempts

🔍 How to Verify

Check if Vulnerable:

Check if domain users are configured as BRAIN2 users and verify AD communications are unencrypted via network monitoring.

Check Version:

Check BRAIN2 system version through administration interface or vendor documentation

Verify Fix Applied:

Verify AD communications are encrypted using network packet analysis and confirm BRAIN2 version matches patched release.

📡 Detection & Monitoring

Log Indicators:

  • Failed authentication attempts from unexpected sources
  • Unusual AD authentication patterns

Network Indicators:

  • Unencrypted LDAP traffic to/from BRAIN2 systems
  • Clear-text authentication packets

SIEM Query:

source_ip="BRAIN2_IP" AND (protocol="ldap" OR protocol="kerberos") AND NOT encrypted=true

🔗 References

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