CVE-2017-12361: Cisco Jabber

Medium severity, CVSS 4.0. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in Cisco Jabber for Windows could allow an unauthenticated, local attacker to access sensitive communications made by the Jabber client. An attacker could exploit this vulnerability to gain information to conduct additional attacks. The vulnerability is due to the way Cisco Jabber for Windows handles random number generation for file folders. An attacker could exploit the vulnerability by fixing the random number data used to establish Secure Sockets Layer (SSL) connections between clients. An exploit could allow the attacker to decrypt secure communications made by the Cisco Jabber for Windows client. Cisco Bug IDs: CSCve44806.

Affected products

• Cisco Jabber: version 11.8(0) only; version 11.8(1) only; version 11.8(2) only; version 11.8(3) only

Published 2017-11-30. Last modified 2026-06-17.