Security readout for executives and security teams
This is a denial-of-service flaw in older Cisco Unified Communications Manager releases. A malformed SIP registration message can make a CUCM process fail, potentially disrupting enterprise voice services. The sources name fixed version thresholds, but provide no CVSS score here. Exposure is most likely in legacy Cisco CUCM deployments still running the listed 6.x, 7.x, or early 8.x releases. Systems accepting SIP registration traffic from untrusted or broadly reachable networks would be more concerning. Prioritize remediation if affected CUCM systems support critical business voice services or emergency communications. For unsupported legacy systems, treat this as a resilience risk and plan upgrade or compensating access controls. Mitigation focus: Identify Cisco CUCM versions across production and disaster recovery environments.; Upgrade affected 6.x, 7.x, or 8.x systems to the named fixed releases or newer.; Review Cisco advisory guidance before changing production call-control systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2010-0591 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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