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Cybersecurity watch

Cisco Unified Communications Manager Improper Access Control Vulnerability

Cisco Security Advisories

Why it matters

This page references a cybersecurity signal published by Cisco Security Advisories. It helps CISOs, DPOs, IT leaders, infrastructure teams, SMBs and enterprise accounts track vulnerabilities, alerts and trends that may affect security, compliance or system resilience.

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This signal should be mapped against the application inventory, internet exposure and patch-management process. The key point is not only the existence of a vulnerability, but how quickly the organization can verify whether it is affected.

Watch points

  • Presence of the product or component in the environment
  • External exposure or administrator access
  • Patch, workaround and maintenance window

Recommended action

Check exposure against the inventory, qualify whether the component is present, then decide quickly between patching, workaround or reinforced monitoring.

Relevant for

CISOs, IT leaders, infrastructure teams, operations and application owners.

Source summary

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An...

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