CVE-2015-6409

medium Cisco
CVSS v3 Base Score
5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.3%
Exploitation probability in 30 days
Top 51% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: December 26, 2015 (3791 days ago)
Last Modified: May 6, 2026
Vendor: Cisco
Source: NVD

Description

Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct STARTTLS downgrade attacks and trigger cleartext XMPP sessions via unspecified vectors, aka Bug ID CSCuw87419.

CWE

CWE-200

Affected Products

cisco jabber

References

🔗 tools.cisco.com 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 www.synacktiv.com 🔗 tools.cisco.com