Read the docs
TI-2015-05392 Aliases CVE-2015-6409GHSA-w4rj-fr95-86j5

Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to…

Priority LOW 29CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

EPSS 0.01341 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:jabber:10.6\(2\):*:*:*:*:windows:*:*10.6(2)VulnerableCisco
  • cpe:2.3:a:cisco:jabber:10.6\(2\):*:*:*:*:windows:*:* Versions 10.6(2) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-6409
  2. 2026-10-03 Alias added: GHSA-w4rj-fr95-86j5

References

  • TI-2020-03041 Cisco Jabber for Windows Message Handling Arbitrary Code Execution Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2020-15937 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
  • TI-2020-02979 Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability CVSS 3.1HIGH 8.8
  • TI-2021-01198 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
  • TI-2021-01138 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
  • TI-2020-16496 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
See all 33 →

Sources