CVE-2018-0409

7.5HIGH

Key Information:

Vendor
Cisco
Status
Unified Communications Manager Im & Presence Service (cucm Im&p)
Telepresence Video Communication Server (vcs) And Expressway
Vendor
CVE Published:
15 August 2018

Summary

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.

Affected Version(s)

TelePresence Video Communication Server (VCS) and Expressway = unspecified

Unified Communications Manager IM & Presence Service (CUCM IM&P) = unspecified

References

http://www.securitytracker.com/id/1041534
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/105104
vdb-entryx_refsource_BID
https://tools.cisco.com/security/center/content/CiscoSecu...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.