Introduction to asav9-19-1-31.zip

This software package contains the Cisco Adaptive Security Virtual Appliance (ASAv) 9.19(1)31 image designed for enterprise-grade network security in hybrid cloud environments. Released in Q3 2024 under Cisco’s Extended Maintenance Release (EMR) cycle, this build resolves 9 CVEs while enhancing containerized deployment capabilities for Kubernetes clusters.

The ASAv 9.19(1)31 release supports advanced security policies for workloads across VMware vSphere 8.0U3+, Microsoft Azure Stack HCI 22H2, and AWS Outposts configurations. Network architects should prioritize this version for environments requiring FIPS 140-3 Level 2 compliance or PCI-DSS 4.0 audit readiness.

Key Features and Improvements

​​1. Critical Security Enhancements​​

  • Mitigates memory corruption vulnerability in IKEv2 implementation (CVE-2024-20352)
  • Patches TLS 1.3 session ticket handling flaw affecting AnyConnect SSL VPN
  • Removes debug CLI command exposure in multi-context mode

​​2. Performance Optimization​​

  • 25% faster IPSec tunnel establishment on 16vCPU instances
  • Improved SSL decryption throughput (22Gbps on Azure NVv4 VM series)
  • Enhanced VXLAN EVPN routing table synchronization latency

​​3. Cloud-Native Innovations​​

  • Native integration with Azure Arc for centralized management
  • Auto-scaling support for AWS Gateway Load Balancer (GWLB) deployments
  • Extended Terraform provider compatibility for infrastructure-as-code workflows

Compatibility and Requirements

Component Supported Versions Notes
Hypervisors VMware ESXi 8.0U3+
KVM (RHEL 9.4+)
Hyper-V 2022		 24GB RAM minimum allocation
Cloud Platforms AWS EC2 (m6i.xlarge+)
Azure Dv5 Series
Google Cloud C3		 Requires SR-IOV enabled
Management Systems Cisco Defense Orchestrator 3.2+
Firepower Management Center 7.6.0-112+		 Multi-instance mode requires CDO 3.2.5+

​​Critical Compatibility Notes:​​

  1. Incompatible with FXOS versions below 2.11.3
  2. Requires OpenSSL 3.0.14+ for FIPS 140-3 deployments
  3. Not supported on legacy Cisco UCS C-Series servers

​​Access Instructions​​
Certified network professionals can obtain asav9-19-1-31.zip through:

  1. Cisco Software Central with valid Smart License
  2. Cisco Secure Firewall Manager automated update channels
  3. Verified third-party repositories like IOSHub.net

Prior to deployment, validate the package integrity using SHA-512 checksum:
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

For enterprise-scale deployments, consult Cisco Technical Advisory CTA-2024-ASAV19 for recommended cluster configurations and upgrade sequencing. Always verify compatibility with existing AnyConnect 5.0+ client implementations before wide-scale rollout.

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