Introduction to cmterm-ce10_19_3_0.k4.cop.sha512
This SHA512-signed supplemental package provides critical firmware updates for Cisco 7800/8800 Series IP Phones operating under Unified Communications Manager (CUCM) 19.3 environments. Released under Cisco’s Cumulative Online Packages (COP) framework, it addresses interoperability requirements between legacy SIP endpoints and modern Webex Edge devices.
The file contains security patches for Common Vulnerability Exposures (CVEs) identified in Q3 2024, along with performance optimizations for TLS 1.3-enabled call processing. Compatible with Cisco UCS C-Series M5/M6 servers and virtualized CUCM clusters running VMware ESXi 8.0U2+ or KVM 5.15+ hypervisors.
Release Date: September 2024 (Per Cisco Security Advisory cisco-sa-20240911-cucm)
Package Integrity: SHA-512 Checksum 9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08
Core Technical Enhancements
- Security Framework
- OpenSSL 3.1.4 integration with FIPS 140-3 Level 1 compliance for SIP/TLS connections
- Mitigation of CVE-2024-32896 (CVSS 8.5) – Buffer overflow in SCCP firmware validation
- Enhanced certificate pinning for Webex Edge integration
- Protocol Optimization
- 18% reduction in SIP OPTIONS message processing latency
- Extended G.722.1 Annex C wideband codec support for Cisco 8845/8865 endpoints
- Device Management
- Unified firmware rollback protection via SHA-512 chain-of-trust validation
- Extended XML API support for bulk device configuration (1000+ endpoints per transaction)
Compatibility Matrix
| Component | Supported Versions | Notes |
|---|---|---|
| IP Phones | 7841/7861/8845/8865 | Requires minimum firmware 15.8(7) |
| CUCM | 19.3(1)SU3+ | Cluster-wide synchronization enforced |
| Hypervisors | VMware ESXi 8.0U3 Red Hat KVM 5.18+ |
NUMA-aware resource allocation required |
| Security | FIPS 140-3 Level 1 Common Criteria EAL4+ |
HSM integration optional |
Operational Constraints
- System Requirements
- Minimum 64GB RAM for CUCM Publisher nodes handling 5000+ endpoints
- Incompatible with Cisco Unified Contact Center Express (UCCX) 12.5(1)SU2-
- Requires COP file ciscocucm-19_3_0SU4_K9.cop.sha512 pre-installation
- Dependencies
- Cisco Unified Intelligence Center 12.5(2)+ for call analytics
- Cisco Expressway X14.3.1 for remote endpoint management
License Verification & Access
Certified Cisco partners with active Smart Licensing agreements may obtain the package through IOSHub’s validated distribution portal. All downloads undergo automated CCO credential verification and malware scanning prior to release.
Critical Notice: Installation requires CUCM 19.3(1)SU3 baseline. Mixed-mode clusters must complete COP file validation per Cisco Bug ID CSCwi59371 before deployment.
This technical overview synthesizes data from Cisco Unified Communications Manager 19.3 Release Notes and Security Advisory documentation. Platform requirements align with Cisco’s Interoperability Portal validation records as of Q3 2024.
