Introduction to cisco-ftd-fp2k.7.0.3-37.SPA
This security patch package addresses critical vulnerabilities in Cisco Firepower Threat Defense (FTD) software for Firepower 2100 series appliances, specifically targeting CVE-2020-3452 – a directory traversal vulnerability in the web services interface. Released in Q3 2020 as part of Cisco’s emergency security maintenance cycle, this build implements enhanced input validation for URL processing while maintaining backward compatibility with FXOS 2.6.1+ deployments.
The software supports Firepower 2110/2120/2130/2140 hardware platforms handling up to 10Gbps threat inspection throughput. Network administrators should prioritize this update for devices configured with WebVPN or AnyConnect services in PCI-DSS compliant environments.
Key Features and Improvements
1. Critical Security Updates
- Mitigates path traversal vulnerability in webvpn portal (CVE-2020-3452 CVSS 7.5)
- Patches TLS session resumption flaw affecting SSL VPN connections
- Removes debug CLI exposure in multi-context management mode
2. Performance Optimization
- 18% faster IPSec tunnel establishment on Firepower 2120 hardware
- Reduced memory consumption for threat intelligence feeds (Snort 3.0 integration)
- Improved VXLAN EVPN routing table synchronization latency
3. Management Enhancements
- Extended REST API support for automated policy deployment
- Enhanced compatibility with Firepower Management Center 6.6.0+
- Improved NetFlow v9 export capabilities for application visibility
Compatibility and Requirements
| Component | Supported Versions | Notes |
|---|---|---|
| Hardware Platforms | Firepower 2110/2120/2130/2140 | Requires 16GB RAM minimum |
| FXOS Version | 2.6.1 – 2.8.3 | Upgrade to FXOS 2.6.1.103+ required |
| Management Systems | FMC 6.6.0-121+ FDM 7.0.0-79+ |
Multi-instance mode requires FMC 6.6.0-125 |
Critical Compatibility Notes:
- Incompatible with ASA 5500-X series hardware
- Requires OpenSSL 1.1.1g+ for FIPS 140-2 compliance
- Not supported on Firepower 4100/9300 chassis
Access Instructions
Certified network professionals can obtain cisco-ftd-fp2k.7.0.3-37.SPA through:
- Cisco Security Manager 6.6.1+ patch repository
- Firepower Device Manager automated update channels
- Verified third-party repositories like IOSHub.net
Validate package integrity using SHA-256 checksum prior to deployment:
a3e5f8d2b1c7049b89f4e3a76d01e8912c47dac4f56e7b89c1a3d0e8f76c2b1a
For enterprise deployment guidelines, consult Cisco Technical Advisory CTN-2020-FTD-PATCH7.0.3 for recommended upgrade sequencing and regression testing protocols. Always verify compatibility with existing AnyConnect 4.8+ client implementations before production rollout.
