What is CVE-2015-6409?

CVE-2015-6409 is a medium-severity vulnerability in Cisco Jabber, classified under Information Disclosure. CVSS score: 5.9/10. Published 2015-12-26.

How severe is CVE-2015-6409?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Information disclosure in Cisco Jabber

CVE-2015-6409

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.

Vulnerability class: Information Disclosure

EPSS: 0.003 (49.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cisco Jabber — versions 10.6\(2\)
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

79678 (vdb-entry, x_refsource_BID)
psirt@cisco.com (Third Party Advisory, x_refsource_MISC)
1034540 (vdb-entry, x_refsource_SECTRACK)
20151224 Cisco Jabber for Windows STARTTLS Downgrade Vulnerability (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2015-6409?: CVE-2015-6409 is a medium-severity vulnerability in Cisco Jabber, classified under Information Disclosure. CVSS score: 5.9/10. Published 2015-12-26.
How severe is CVE-2015-6409?: Medium severity. CVSS v3 base score is 5.9 out of 10.