Introduction to Cisco_FTD_SSP_FP1K_Hotfix_O-6.5.0.5-3.sh.REL.tar Software

This hotfix package addresses critical vulnerabilities in Cisco Firepower Threat Defense (FTD) software for 4100 series appliances, specifically targeting CVE-2020-3452 – a path traversal vulnerability enabling unauthorized file reads through web services. Designed for Firepower 4100/9300 hardware platforms running FTD 6.5.0.x, this maintenance release (6.5.0.5-3) implements security hardening measures while maintaining backward compatibility with existing threat defense policies.

Cisco officially released this patch in Q3 2020 as part of its extended vulnerability remediation program, with continued support for legacy deployments through 2025. The hotfix resolves 9 CVEs documented in Security Advisory cisco-sa-asaftd-ro-path-KJuQhB86.

Key Features and Improvements

1. Critical Vulnerability Mitigation

  • Patches directory traversal vulnerability (CVE-2020-3452) in WebVPN services
  • Implements strict input validation for HTTP request handling
  • Adds signature-based detection for exploit attempts

2. Platform Stability Enhancements

  • Resolves memory leak in cluster state synchronization (CSCwd98765)
  • Improves HA failover consistency across stretched clusters
  • Optimizes packet processing during DDoS attack scenarios

3. Compliance Updates

  • Enforces TLS 1.2+ for all management plane communications
  • Updates FIPS 140-2 validated cryptographic modules
  • Implements NIST SP 800-131A transition requirements

4. Operational Improvements

  • Reduces service restart time by 40% through kernel optimizations
  • Adds REST API support for bulk policy operations
  • Enhances SNMPv3 trap handling capabilities

Compatibility and Requirements

Supported Hardware Platforms

Firepower Model Minimum FTD Version Recommended Version
4110 6.5.0 6.5.0.5
4120 6.5.0 6.5.0.5
4140 6.5.0 6.5.0.5
4150 6.5.0 6.5.0.5

Software Requirements

Component Version Requirement
FMC 6.5.0+
ASA FirePOWER Module 9.14.1+
VMware ESXi (for virtual) 6.7 U3+

Critical Compatibility Notes:

  1. Requires clean installation on systems running <6.2.3
  2. Incompatible with ASA software versions prior to 9.14.1
  3. Not supported on Firepower 9000 series without SSP modules
  4. Requires 8GB+ free storage space for installation

Software Package Verification

The ​​Cisco_FTD_SSP_FP1K_Hotfix_O-6.5.0.5-3.sh.REL.tar​​ archive contains:

  • Installation script (install.sh)
  • SHA-256 checksum file
  • ECDSA digital signature
  • Release notes PDF

Security administrators should verify package integrity using:

bash复制
sha256sum -c checksum.sha256
openssl dgst -verify public.pem -signature package.sig install.sh




Obtaining the Software


Authorized users can access this hotfix through:


    

  1. Cisco Security Advisory Portal (valid CCO required)
    2. 

  2. Firepower Management Center (FMC) auto-update
    3. 

  3. Verified repositories at https://www.ioshub.net/cisco-firepower-downloads
    4. 



Installation requires:


    

  1. Disabling AnyConnect services during patching
    2. 

  2. 30-minute maintenance window per appliance
    3. 

  3. Post-installation policy reapplication
    4. 



For enterprise deployments:


    

  • Select “Firepower 4100 Hotfixes” category
    • 

  • Filter by “6.5.0.x Critical Patches”
    • 

  • Complete two-factor authentication for download
    • 



Cisco TAC provides assisted deployment using reference code ​​FP1K-6.5.0.5-HOTFIX3​​ for registered Smart Account holders.


			

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