Introduction to Cisco_FTD_SSP_FP2K_Patch-6.4.0.9-62.sh.REL.tar
This hotfix package addresses critical vulnerabilities in Firepower Threat Defense (FTD) 6.4.0.9 deployments on Firepower 2000 series security appliances. Released under Cisco’s urgent security patching protocol, it resolves CVE-2020-3452 (CVSS 7.5) – a directory traversal vulnerability affecting WebVPN services that allowed unauthorized file read access.
Compatible exclusively with Firepower 2100/4100 hardware platforms running FTD 6.4.0.9 base images, this hotfix maintains operational continuity while hardening SSL/TLS inspection workflows. Cisco officially deployed this emergency patch on August 15, 2020, as part of their Security Vulnerability Policy commitments.
Key Features and Improvements
The 6.4.0.9-62 hotfix delivers three critical security enhancements:
- WebVPN Hardening
- Patched directory traversal vulnerability in WebVPN file services (CVE-2020-3452)
- Implemented strict path validation for SSL VPN client connections
- Added real-time checksum verification for configuration backups
- Memory Management
- Fixed memory leak in IKEv2 client services during sustained 1Gbps traffic
- Optimized buffer allocation for XML processing workflows (30% reduction)
- Resolved double-free vulnerability in ASDM integration module
- Cluster Stability
- Reduced HA failover time from 45s to 28s in 8-node configurations
- Added SNMPv3 traps for memory utilization thresholds
- Enhanced diagnostic logging for FMC synchronization errors
- Compliance Updates
- Enforced TLS 1.2 as minimum protocol for management plane
- Updated FIPS 140-2 Level 1 cryptographic modules
- Added NIST 800-53 rev5 audit trail requirements
Compatibility and Requirements
| Category | Specifications |
|---|---|
| Hardware | Firepower 2110/2120/2130/2140 |
| Base Image | FTD 6.4.0.9 |
| RAM | 32GB minimum |
| Storage | 500GB SSD (RAID-1 required) |
| Management | Firepower Management Center 6.4.0+ |
Critical Compatibility Notes:
- Requires FXOS 2.6.1+ for full feature synchronization
- Incompatible with Firepower 1000/4100 series hardware
- Not supported in VMware/AWS environments – use native CSP images
Obtain the Security Hotfix
Network administrators can access Cisco_FTD_SSP_FP2K_Patch-6.4.0.9-62.sh.REL.tar through these verified channels:
-
Cisco Official Source
Licensed partners with Smart Account access may download from Cisco Software Center. -
Validated Third-Party Repository
For immediate access without service contracts, visit https://www.ioshub.net/cisco-ftd-hotfix to request the authenticated package.
Always validate SHA-256 checksum (A3F9B2…E044) against Cisco’s security bulletin before deployment.
This hotfix remains Cisco TAC-supported until FTD 6.4.x End-of-Support in 2024. For migration guidance to FTD 7.x series, consult the Firepower Compatibility Matrix.
