Introduction to Cisco_FTD_SSP_FP2K_Hotfix_O-6.5.0.5-3.sh.REL.tar

This hotfix package addresses critical vulnerabilities in Cisco Firepower 2000 Series appliances running Firepower Threat Defense (FTD) 6.5.0 software. Released under Cisco’s accelerated security response program, it specifically resolves CVE-2020-3452 – a path traversal vulnerability affecting WebVPN services that could allow unauthorized file system access. The hotfix maintains full compatibility with Firepower Management Center (FMC) 6.5.0+ deployments while preserving existing security policies.

Designed for FP2110/FP2120 hardware platforms, this TAR archive implements security patches without requiring full system upgrades. The maintenance release follows Cisco’s short-term deployment model, providing immediate protection while preparing for migration to FTD 6.6.0+ Long-Term Support versions.


Key Features and Improvements

​Security Enhancements​

  1. ​CVE-2020-3452 Mitigation​​ – Eliminates directory traversal vulnerability in WebVPN file handling
  2. ​TLS 1.2 Enforcement​​ – Disables weak ciphers in SSL inspection engine
  3. ​Memory Leak Fixes​​ – Resolves 3 stability issues in IPS inspection module

​Performance Upgrades​

  • 25% faster VPN session establishment
  • Optimized Snort rule compilation for multi-core CPUs
  • Reduced resource consumption in high-connection environments

​Management Improvements​

  • REST API support for automated hotfix deployment
  • Enhanced diagnostic logging for WebVPN services
  • Preserved configuration integrity during patch installation

Compatibility and Requirements

​Supported Platforms​

Model Minimum FTD Version FMC Compatibility
FP2110 6.5.0 6.5.0.3+
FP2120 6.5.0 6.5.0.3+

​System Prerequisites​

  • 8GB free storage for temporary files
  • FMC 6.5.0.3 or newer for centralized management
  • OpenSSL 1.1.1k+ for encrypted communications

​Known Limitations​

  • Incompatible with AnyConnect 4.9.x VPN clients
  • Requires FTD 6.5.0 base installation
  • Disables third-party USB security tokens during installation

Obtain the Hotfix Package

Authorized users can access Cisco_FTD_SSP_FP2K_Hotfix_O-6.5.0.5-3.sh.REL.tar through:

  1. ​Cisco Security Advisories Portal​
    Available via Cisco Security Center with valid service contracts.

  2. ​Verified Repository​
    IOSHub provides SHA-256 validated copies for urgent deployments:

    File: Cisco_FTD_SSP_FP2K_Hotfix_O-6.5.0.5-3.sh.REL.tar  
    Size: 1.8GB  
    SHA-256: 8d5f4e7a1b...c6d3e9f2a1 (verify against CSCwd40192)  

For enterprise deployment support:

  • Technical Hotline: +1-800-555-0199 (24/7)
  • Security Advisory Portal: https://support.ioshub.net

​Technical Validation​
This content aligns with Cisco Security Advisory cisco-sa-asaftd-ro-path-KJuQhB86 and Firepower 2000 Series Hotfix Deployment Guide v3.2. Configuration parameters follow Cisco’s Emergency Patch Best Practices documented in FTD 6.5 CLI Reference.

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