A vulnerability in the XCP Router service of the Cisco Unified Communications Manager IM & Presence Service (CUCM IM&P) and the Cisco TelePresence Video Communication Server (VCS) and Expressway could allow an unauthenticated, remote attacker to cause a temporary service outage for all IM&P users, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400. An exploit could allow the attacker to overread a buffer, resulting in a crash and restart of the XCP Router service. Cisco Bug IDs: CSCvg97663, CSCvi55947.
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Tue, 26 Nov 2024 15:15:00 +0000
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Status: PUBLISHED
Assigner: cisco
Published: 2018-08-15T20:00:00Z
Updated: 2024-11-26T14:48:15.449Z
Reserved: 2017-11-27T00:00:00
Link: CVE-2018-0409

Updated: 2024-08-05T03:21:15.497Z

Status : Modified
Published: 2018-08-15T20:29:00.533
Modified: 2024-11-21T03:38:10.117
Link: CVE-2018-0409

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