CVE-2019-15259

Cisco Unified Contact Center Express HTTP Response Splitting Vulnerability

MEDIUM
6.1
CVSS Score
Published: October 2, 2019 at 07:06 PM UTC
Updated: June 17, 2026 at 02:19 AM UTC
1 product affected across 1 vendorUnified Contact Center Express

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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

A vulnerability in Cisco Unified Contact Center Express (UCCX) Software could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack. The vulnerability is due to insufficient input validation of some parameters that are passed to the web server of the affected system. An attacker could exploit this vulnerability by convincing a user to follow a malicious link or by intercepting a user request on an affected device. A successful exploit could allow the attacker to perform cross-site scripting attacks, web cache poisoning, access sensitive browser-based information, and similar exploits.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 11.6(2)12.0(1)
Affected range stops below 11.6(2), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-113CWE-74

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