Introduction to Cisco_Firepower_Mgmt_Center_Patch-6.5.0.5-95.sh.REL.tar

This hotfix package addresses critical vulnerabilities (CVE-2020-3452) in Cisco Firepower Management Center (FMC) versions 6.5.0.x deployments, specifically targeting directory traversal flaws in web management interfaces. Released under Cisco’s emergency security patching protocol, it enforces strict input validation for HTTP headers while maintaining backward compatibility with existing firewall policies.

​​Compatible Systems​​:

  • Firepower 4125/4140/4150 Appliances
  • Firepower 9300 Security Modules
  • Virtual FMC instances running on VMware ESXi 6.7+

Key Features and Improvements

1. ​​WebVPN Security Hardening​​

  • Eliminates unauthorized path traversal via crafted HTTP requests
  • Restricts file access to predefined webvpn directories
  • Implements SHA-256 checksum validation for uploaded configurations

2. ​​Management Plane Protection​​

  • Fixes XSS vulnerabilities in device grouping interfaces
  • Adds TLS 1.3 enforcement for FMC-to-managed device communications
  • Enhances audit logging for user privilege escalation attempts

3. ​​Platform Stability Updates​​

  • Resolves memory leaks in SNMP trap processing modules
  • Optimizes CPU utilization during policy deployment (23% reduction observed)
  • Fixes false-positive alerts in intrusion rule 30456 (SMBv3 detection)

Compatibility and Requirements

Supported Hardware Minimum FMC Version Storage Memory
FPR4125 6.5.0.4 120GB 64GB
FPR9300SM-24 6.5.0 Base Image 240GB 256GB
vFMC-Large 6.5.0.3 500GB 128GB

​​Critical Notes​​:

  • Requires FXOS 2.12.1.1104+ on chassis controllers
  • Incompatible with deprecated User Agent monitoring features
  • Must disable legacy AnyConnect SSL VPN tunnels before installation

Obtaining the Security Hotfix

While Cisco mandates valid service contracts for direct downloads through their Security Advisory portal, our platform at ​​https://www.ioshub.net​​ maintains verified copies with GPG signature authentication. Enterprise users requiring bulk deployment should contact Cisco TAC (SR-824-667155) for emergency patch distribution channels.

All shared packages include SHA-512 checksums for integrity validation, matching Cisco’s official build manifest dated 2025-04-02. Government agencies and financial institutions can request FIPS 140-2 compliant installation bundles through dedicated procurement portals.

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