Cisco Warns of Critical Flaw in Voice OS-based Products

November 16, 2017


Cisco Systems issued a security advisory warning customers key products tied to its Cisco Voice Operating System software platform were vulnerable to an attack where an unauthenticated, remote hacker could gain unauthorized and elevated access to impacted devices.

The Cisco Security Bulletin is rated Critical and was issued Wednesday. It is tied to a vulnerability (CVE-2017-12337) in its Voice Operating System software which is used in flagship products such as its Cisco Unified Communications Manager, which brings together voice, video, telepresence, messaging and presence. Cisco Unified Communications Manager was previously known as CallManager.

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