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CVE-2018-0409

CVE information

Published

4 years ago

Last Modified

1 year ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

Description

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..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.7
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.9
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x7.0
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.2
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.8
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x7.2
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.1
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.1
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.1
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.6
  Yes
- -
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.5
  Yes
- -
cpe:2.3:a:cisco:unified_communications_manager_im_and_presen
  Yes
- -
cpe:2.3:a:cisco:unified_communications_manager_im_and_presen
  Yes
- -