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TI-2016-05522 Aliases CVE-2016-6440GHSA-pg8g-66pv-8g79

Improper input validation in Cisco Unified Communications Manager 11.0 , 11.5 , 11.5

Priority LOW 31CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

The Cisco Unified Communications Manager (CUCM) may be vulnerable to data that can be displayed inside an iframe within a web page, which in turn could lead to a clickjacking attack. More Information: CSCuz64683 CSCuz64698. Known Affected Releases: 11.0(1.10000.10), 11.5(1.10000.6), 11.5(0.99838.4). Known Fixed Releases: 11.0(1.22048.1), 11.5(0.98000.1070), 11.5(0.98000.284)11.5(0.98000.346), 11.5(0.98000.768), 11.5(1.10000.3), 11.5(1.10000.6), 11.5(2.10000.2).

Why it matters now

EPSS 0.01052 64th 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
—Cisco Unified Communications Manager 11.0(1.10000.10), 11.5(1.10000.6), 11.5(0.99838.4)Cisco Unified Communications Manager 11.0(1.10000.10), 11.5(1.10000.6), 11.5(0.99838.4)—No fix listedCNA
  • Cisco Unified Communications Manager 11.0(1.10000.10), 11.5(1.10000.6), 11.5(0.99838.4) Vendor— Affected Cisco Unified Communications Manager 11.0(1.10000.10), 11.5(1.10000.6), 11.5(0.99838.4) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:unified_communications_manager:11.5\(0.99838.4\):*:*:*:*:*:*:*11.5(0.99838.4)VulnerableCisco
  • cpe:2.3:a:cisco:unified_communications_manager:11.5\(0.99838.4\):*:*:*:*:*:*:* Versions 11.5(0.99838.4) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6440
  2. 2026-10-03 Alias added: GHSA-pg8g-66pv-8g79

References

  • TI-2026-16259 Cisco Unified Communications Products Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16423 Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability KEVCVSS 3.1HIGH 8.6
  • TI-2008-00019 Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service… CVSS 2.0HIGH 10.0
  • TI-2013-05779 The TFTP service in Cisco Unified Communications Manager (aka CUCM or Unified CM) allows… CVSS 3.1HIGH 7.3
  • TI-2011-02932 Directory traversal vulnerability in Cisco Unified Communications Manager (CUCM) 5.x and… CVSS 2.0HIGH 7.8
See all 238 →

Sources