Published: 22/01/2014 Updated: 29/08/2017
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

Cisco TelePresence ISDN Gateway with software prior to 2.2(1.92) allows remote malicious users to cause a denial of service (D-channel call outage) via a crafted Q.931 STATUS message, aka Bug ID CSCui50360.

Affected Products

Vendor Product Versions
CiscoTelepresence Isdn Gateway Software2.1(1.43), 2.1(1.49), 2.1(1.56), 2.1(1.79)

Vendor Advisories

Cisco TelePresence ISDN Gateway contains a vulnerability that could allow an unauthenticated, remote attacker to trigger the drop of the data channel (D-channel), causing all calls to be terminated and preventing users from making new calls Cisco has released software updates that address this vulnerability No workarounds that mitigate this vuln ...