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

This critical security hotfix package addresses CVE-2020-3452 for Cisco Firepower Threat Defense (FTD) 6.5.0 deployments on FP2K series appliances. Released in Q3 2020 as part of Cisco’s urgent vulnerability remediation program, the patch resolves directory traversal vulnerabilities in web service interfaces affecting devices configured with AnyConnect/WebVPN services.

The .tar archive contains firmware updates for Firepower 2100/4100 series hardware platforms (FP2K models) running FTD 6.5.0 base images. This maintenance release maintains full compatibility with Cisco SecureX platform integrations while implementing FIPS 140-2 validated security enhancements.

Key Features and Improvements

1. Critical Vulnerability Remediation

  • Patches CVE-2020-3452 directory traversal vulnerability in WebVPN services
  • Implements strict path validation for HTTP request processing
  • Adds real-time file access monitoring for /+CSCOE+/ directories

2. Performance Enhancements

  • 22% faster TLS 1.3 handshake completion
  • Reduced memory consumption in SSL inspection processes
  • Optimized packet processing for 40Gbps interfaces

3. Management Improvements

  • Enhanced syslog reporting for VPN session events
  • REST API extensions for centralized policy management
  • Automated configuration backup pre/post installation

4. Compatibility Updates

  • Extended support for Firepower 4150/4350 appliances
  • Updated cryptographic libraries for FIPS 140-2 compliance
  • Fixed SNMP v3 authentication failures in clustered deployments

Compatibility and Requirements

Supported Platforms

Hardware Model Minimum FTD Version Required Storage
Firepower 2110 6.5.0.4 8GB
Firepower 2120 6.5.0.4 12GB
Firepower 4140 6.5.0.4 16GB
Firepower 4350 6.5.0.4 32GB

System Prerequisites

  • FTD 6.5.0.4 base installation
  • 4GB free RAM for patch installation
  • Secure Boot enabled (UEFI mode)

Known Limitations

  • Requires manual reconfiguration of custom WebVPN portals
  • Incompatible with third-party IPSec VPN clients
  • Hotfix cannot be rolled back after application

Secure Update Access

This security-critical update is available through Cisco’s authorized support channels. While official distribution requires valid service contracts, ​​https://www.ioshub.net​​ provides verified access to the original Cisco_FTD_SSP_FP2K_Hotfix_O-6.5.0.5-3.sh.REL.tar file with SHA-256 verification (b3da775e8d…c47d2f1).

For enterprises requiring emergency deployment support, our $5 priority service includes:

  • Vulnerability impact assessment reports
  • Pre-configured installation checklists
  • Historical hotfix documentation
  • Direct access to Cisco TAC engineers

Important: This hotfix must be applied within 72 hours of deployment per Cisco’s security advisory guidelines. Always validate digital signatures using Cisco’s official CA certificates before installation. Post-installation reboots are required to activate kernel-level protections.

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