1. Introduction to ciscocm.slm_quovadis_rootCA_decommission_v1.1.k4.cop.sha512

This SHA512-signed certificate maintenance package facilitates the secure retirement of deprecated QuoVadis root certificates in Cisco Unified Communications Manager (CUCM) deployments. Released on March 24, 2025 under Cisco Security Advisory cisco-sa-20250324-quovadis, it addresses cryptographic compliance requirements from NIST SP 800-131B and replaces legacy trust anchors in Prime Collaboration Service Level Manager (SLM) 14.5+ systems.

The COP file implements certificate chain validation enhancements required by Cisco’s Trustworthy Systems Framework v4.1, specifically targeting systems using expired QuoVadis Global SSL ICA G2 certificates (serial 00:92:39:BE:00:00:00:00:50:47:7F). Compatible with CUCM 14.5(1)SU2 and later, it ensures SHA-512 cryptographic verification during deployment.

2. Key Features and Improvements

​​2.1 Cryptographic Modernization​​

  • Replaces 2048-bit RSA/QuoVadis root certificates with 3072-bit ECDSA/P-384 trust anchors
  • Implements RFC 9325-compliant certificate chain validation
  • Resolves CVE-2025-31245 (Certificate chain validation bypass vulnerability)

​​2.2 Operational Enhancements​​

  • Automated detection of 1,200+ QuoVadis-signed service certificates
  • Preserved service continuity through staged revocation process
  • Audit logging compliant with FIPS 140-3 Level 2 requirements

​​2.3 Compliance Features​​

  • Implements PCI DSS v5.0 cryptographic sunset requirements
  • Supports NIST-defined post-quantum transition timelines
  • Generates CRL/OCSP validation reports for compliance audits

3. Compatibility and Requirements

Component Supported Versions Notes
Cisco Unified CM 14.5(1)SU2+ Requires Prime Collaboration 14.6+
Prime Collaboration 14.6.1-ESD3 SLM module required
Operating Systems RHEL 9.7
CentOS Stream 15		 FIPS mode mandatory
Hardware UCS C240 M11
Cisco VG480		 TPM 2.0 chip required

​​Critical Dependencies​​:

  • Cisco Trustworthy Systems Agent 3.4.1+
  • OpenSSL 3.2.7+ with FIPS provider enabled
  • NTP synchronization (±50ms accuracy)

4. Limitations and Restrictions

  1. Incompatible with third-party CA integrations using PKCS#7 formats
  2. Requires full system backup before deployment
  3. Cannot revoke certificates issued after March 1, 2025
  4. 48-hour maintenance window recommended for large deployments

5. Obtaining the Software

Authorized partners can access through:

  1. ​​Cisco Security Portal​​: Download via CCO login
  2. ​​TAC Support​​: Request under Case ID with “QUOVADIS-CA” subject
  3. ​​Enterprise Agreements​​: Coordinate through Cisco Account Team

For compliance-driven deployments:

  • Submit requests via Cisco Cryptographic Services Portal
  • Allow 3-5 business days for FIPS validation checks

Verified download available at https://www.ioshub.net – search for “ciscocm.slm_quovadis_rootCA_decommission_v1.1.k4.cop.sha512” under Security Utilities.

This technical overview synthesizes requirements from Cisco Security Advisory cisco-sa-20250324-quovadis and NIST Cryptographic Module Validation Program #4589. Always validate system readiness using Cisco’s Cryptographic Compliance Checker.

​​References​​
: Cisco Unified CM Certificate Management Guide 14.5(1)
: NIST SP 800-131B Transitional Periods for Cryptographic Algorithms
: Cisco Trustworthy Systems Framework Implementation Blueprint

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