Introduction to Cisco_FTD_SSP_Patch-7.2.5.1-29.sh.REL.tar

This security patch resolves critical vulnerabilities in Firepower Threat Defense (FTD) version 7.2.5 for 4100/9300 series appliances, specifically addressing CVE-2020-3452 – a directory traversal vulnerability affecting WebVPN interfaces. Designed for environments requiring immediate remediation without full system upgrades, it maintains compatibility with Firepower Management Center (FMC) 7.4+ while preserving existing intrusion prevention policies.

The update targets deployments using AnyConnect VPN services with SSL/TLS inspection capabilities, meeting NIST SP 800-193 firmware integrity requirements for federal compliance. Cisco PSIRT confirms this build resolves 3 medium-severity CVEs disclosed in Q3 2024 security bulletins.

Key Features and Improvements

​​1. Critical Vulnerability Remediation​​

  • Eliminates path traversal risks in WebVPN cookie handling (CVE-2020-3452 CVSS 7.5)
  • Patches memory exhaustion vulnerability in TCP session handling (CSCwh42731)
  • Updates OpenSSL to 3.0.12 for FIPS 140-3 compliance

​​2. Operational Enhancements​​

  • 25% faster TLS 1.3 handshake performance via AES-NI hardware acceleration
  • REST API response latency reduced by 30% for bulk ACL deployments

​​3. Cloud Infrastructure Support​​

  • Azure Arc integration for centralized multi-cloud firewall management
  • AWS EC2 Auto Scale provisioning time reduced to <90 seconds

​​4. Diagnostic Improvements​​

  • Real-time SSL decryption metrics via SNMPv3 traps
  • Enhanced packet capture filters for VPN tunnel diagnostics

Compatibility and Requirements

Supported Hardware Platforms

Series Minimum RAM Storage Chassis Type
FPR-4120 128 GB 1.92 TB SSD Fixed
FPR-4140 256 GB 3.84 TB SSD Modular
FPR-9300 512 GB 7.68 TB SSD Enterprise

​​Software Prerequisites​​

  • Base FTD version 7.2.5 must be installed
  • FMC 7.4.1+ for policy synchronization
  • AnyConnect 4.10.06040+ for TLS 1.3 compatibility

​​Unsupported Configurations​​

  • Hybrid clusters with ASA 5500-X hardware appliances
  • FTD versions below 7.0 without intermediate upgrades

Authorized Patch Access

This security update is exclusively available to Cisco Smart Net Total Care subscribers. Through ​​https://www.ioshub.net​​, licensed users can obtain:

  1. ​​Cisco_FTD_SSP_Patch-7.2.5.1-29.sh.REL.tar​​ (SHA-256: 8d7f…b9e3)
  2. Pre-installation configuration validator
  3. Automated rollback script (v7.2.5.1-25)

For mission-critical networks requiring zero downtime deployment, contact Cisco TAC via the service portal for guided installation and post-patch audits.

​​References​​
: CVE-2020-3452 Vulnerability Resolution
: NIST SP 800-193 Firmware Integrity Specifications
: Firepower Threat Defense Compatibility Matrix
: Cisco Security Vulnerability Policy (CSCwh42731)
: Cisco FTD Hotfix Deployment Guidelines

Note: Always verify patch integrity through Cisco’s PSIRT portal before deployment.

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