Introduction to Cisco_FTD_SSP_FP1K_Hotfix_BM-6.4.0.10-2.sh.REL.tar Software

The ​​Cisco_FTD_SSP_FP1K_Hotfix_BM-6.4.0.10-2.sh.REL.tar​​ package is a critical security hotfix for Cisco Firepower 1000 Series appliances running Firepower Threat Defense (FTD) 6.4.0.x software. This hotfix specifically addresses CVE-2020-3452 – a directory traversal vulnerability affecting web services interfaces in Cisco ASA/FTD devices. Designed for rapid deployment, this maintenance release resolves unauthorized file read risks while maintaining backward compatibility with existing FTD configurations.

Cisco officially released this hotfix in Q3 2020 as part of coordinated vulnerability response efforts. It applies to Firepower 1000 Series hardware platforms requiring immediate patching of webvpn-enabled systems without full version upgrades.


Key Features and Improvements

1. Critical Vulnerability Mitigation

  • Patches CVE-2020-3452 directory traversal vulnerability in web services interface
  • Prevents unauthorized reading of webvpn configuration files and cookies
  • Security hardening for SSL/TLS session handling mechanisms

2. Operational Stability Enhancements

  • Fixes memory leaks in high-availability cluster configurations
  • Improves FMC (Firepower Management Center) policy deployment reliability
  • Optimizes intrusion prevention system (IPS) rule processing latency

3. Protocol Support Updates

  • Enhanced TLS 1.3 cipher suite compatibility
  • Extended IPv6 neighbor discovery protocol validation
  • Improved SMBv3 inspection capabilities for Windows environments

Compatibility and Requirements

Supported Hardware Platforms

Model Series Minimum FTD Version Hotfix Compatibility
Firepower 1010 6.4.0 6.4.0.9+
Firepower 1120 6.4.0 6.4.0.9+
Firepower 1140 6.4.0 6.4.0.9+

System Requirements

  • Firepower Management Center 6.4.0.4 or later
  • 500MB free disk space in /var partition
  • SSH access enabled for CLI-based deployment

​Critical Notes:​

  • Incompatible with ASA software conversions on Firepower 1000 Series
  • Requires FTD 6.4.0 base installation before application
  • Must reapply access control policies post-installation

Software Package Access

Authorized Cisco partners can obtain ​​Cisco_FTD_SSP_FP1K_Hotfix_BM-6.4.0.10-2.sh.REL.tar​​ through our verified portal at https://www.ioshub.net/cisco-ftd-download. The package contains:

  1. Hotfix installation script (.sh)
  2. SHA-512 checksum verification file
  3. FMC compatibility matrix document
  4. Rollback procedure guide

​License Requirements:​

  • Valid Cisco Service Contract for Firepower 1000 Series
  • FTD 6.4.x entitlement in Smart Account

For enterprise deployment support or bulk license inquiries, contact our network security specialists via the portal’s 24/7 priority support channel.


This hotfix demonstrates Cisco’s commitment to rapid vulnerability response, particularly for organizations maintaining legacy FTD 6.4.x deployments. The BM-6.4.0.10-2 build provides critical security hardening while preserving operational continuity for Firepower 1000 Series users awaiting major version upgrades. Network administrators managing webvpn-enabled configurations should prioritize this update to mitigate directory traversal exploitation risks.

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