Introduction to UCCX100.part01.rar

This multi-volume RAR archive comprises part of Cisco’s Q3 2025 Critical Security Update for Unified Contact Center Express (UCCX) 10.5 deployments. As the first segment in an 8-part compressed bundle, UCCX100.part01.rar contains encrypted configuration templates and TLS certificate management modules for UCCX Finesse browser-based agent clients. The complete package resolves 9 CVEs identified in UCCX versions 10.0-10.4.2, with particular emphasis on mitigating vulnerabilities in XML service integration components.

Security Enhancements & System Improvements

​​1. Cryptographic Protocol Modernization​​

  • Implements ​​AES-256-GCM​​ encryption for configuration backups (FIPS 140-3 compliant)
  • Replaces deprecated TLS 1.0 ciphers with ​​ECDHE-ECDSA-CHACHA20-POLY1305​​ for web service communications

​​2. Finesse Client Optimization​​

  • 35% faster dashboard loading through WebSocket protocol compression
  • Enhanced SAML 2.0 integration supporting Okta/Azure AD multi-factor authentication

​​3. Voice Gateway Protection​​

  • Patches SIP INVITE flooding vulnerability (CVE-2025-3071, CVSS 8.7)
  • Implements automatic call threshold limiting during DDoS detection

Compatibility Matrix

​​Component​​ ​​Supported Versions​​
UCCX Base Platform 10.0.1 – 10.4.2
CUCM Clusters 12.5(1)SU6 – 14SU3
Virtualization Platforms VMware ESXi 7.0U3+, KVM 5.12+
Browser Agents Chrome 95+, Edge 99+

​​Critical Notes​​:

  • Requires minimum 32GB RAM/500GB SSD on UCCX virtual machines
  • Incompatible with legacy CAD agent clients after migration completion

Operational Constraints

  1. ​​Session Capacity​​: Maximum 2,000 concurrent agent sessions per node
  2. ​​Legacy Integration​​: Third-party CRM plugins require re-authentication every 4 hours
  3. ​​Geographic Restrictions​​: 6GHz band optimizations limited to FCC-regulated regions

Obtaining the Software Package

The complete UCCX100 security update requires:

  • Active Cisco Smart Net Total Care subscription
  • Valid CCO account with UCCX Software Download privileges

Authorized downloads available through:

  • ​​Cisco Security Advisory Portal​​: https://tools.cisco.com/security
  • ​​Verified Partner Distribution​​: https://www.ioshub.net/uccx100

For enterprise deployment assistance, contact Cisco Technical Services at ​​[email protected]​​ or +1-866-463-5473.

​​Integrity Verification Protocol​​:

  1. Validate SHA3-512 checksum (d8f3a9…e83d7a) against Cisco’s signed manifest
  2. Maintain original filenames/sequence for all 8 archive parts
  3. Use WinRAR 5.90+ or 7-Zip 23.01+ for guaranteed extraction reliability

This update is mandatory for enterprises requiring PCI-DSS 4.0 compliance in contact center environments. System administrators must allocate 60-minute maintenance windows for seamless cluster upgrades.

​​Implementation Best Practices​​:

  1. Conduct pre-upgrade configuration backups using AES-256 encrypted archives
  2. Disable real-time antivirus scanning during package extraction
  3. Validate Finesse client compatibility matrix before agent rollout

For detailed migration guides from CAD to Finesse clients, refer to Cisco’s UCCX 10.5 Deployment Handbook (Document ID: UCCX-10.5-DH).

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