CVE-2015-6409

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-26 · updated 2026-06-17
Weakness: CWE-200

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.

Affected products

Cisco Jabber: 10.6(2)

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151224-jab
http://www.securityfocus.com/bid/79678
http://www.securitytracker.com/id/1034540
http://www.synacktiv.com/ressources/cisco_jabber_starttls_downgrade.pdf
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151224-jab
http://www.securityfocus.com/bid/79678
http://www.securitytracker.com/id/1034540
http://www.synacktiv.com/ressources/cisco_jabber_starttls_downgrade.pdf

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