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Tag: voip security

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Rack-mounted router in a network closet with a blurred city transit platform visible through a nearby window.

Cisco Unified CM Flaw Exploited in Active Attacks

Hackers are actively exploiting a high-severity flaw in Cisco Unified CM, tracked as CVE-2026-20230, which allows them to send malicious HTTP requests and potentially take control of affected devices. This vulnerability, with a CVSS score of 8.6, could enable attackers to write files to the underlying operating system and escalate their privileges.

Analyst 207