CVE-2019-15259— Cisco Unified Contact Center Express HTTP Response Splitting Vulnerability
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I. Basic Information for CVE-2019-15259
Vulnerability Information
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Vulnerability Title
Cisco Unified Contact Center Express HTTP Response Splitting Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
HTTP头部中CRLF序列转义处理不恰当(HTTP响应分割)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Unified Contact Center Express 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Unified Contact Center Express（Unified CCX）是美国思科（Cisco）公司的一款统一通信解决方案中的客户关系管理组件。该组件支持自助语音服务、呼叫分配和客户访问控制等功能。 Cisco Unified CCX 11.6(2)之前版本中存在注入漏洞，该漏洞源于用户输入构造命令、数据结构或记录的操作过程中，网络系统或产品缺乏对用户输入数据的正确验证，未过滤或未正确过滤掉其中的特殊元素，导致系统或产品产生解析或解释方式错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Unified Contact Center Express | unspecified ~ n/a | - |
II. Public POCs for CVE-2019-15259
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-uccx-httpvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2019-15259
Same Patch Batch · Cisco · 2019-10-02 · 43 CVEs total
| CVE-2019-12679 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12693 | Cisco Adaptive Security Appliance Software Secure Copy Denial of Service Vulnerability | |
| CVE-2019-12677 | Cisco Adaptive Security Appliance Software SSL VPN Denial of Service Vulnerability | |
| CVE-2019-12681 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12678 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SIP Inspe | |
| CVE-2019-12674 | Cisco Firepower Threat Defense Software Multi-instance Container Escape Vulnerabilities | |
| CVE-2019-12673 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspe | |
| CVE-2019-12631 | Cisco Identity Services Engine Cross-Site Scripting Vulnerability | |
| CVE-2019-12630 | Cisco Security Manager Java Deserialization Vulnerability | |
| CVE-2019-12676 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software OSPF LSA | |
| CVE-2019-12680 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12683 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12682 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12685 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12684 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12687 | Cisco Firepower Management Center Remote Code Execution Vulnerability | |
| CVE-2019-12686 | Cisco Firepower Management Center SQL Injection Vulnerabilities | |
| CVE-2019-12690 | Cisco Firepower Management Center Command Injection Vulnerability | |
| CVE-2019-12689 | Cisco Firepower Management Center Remote Code Execution Vulnerability | |
| CVE-2019-12688 | Cisco Firepower Management Center Remote Code Execution Vulnerability |
Showing top 20 of 43 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Cisco Unified Contact Center Express
- CVE-2026-20117
Multiple Cisco Contact Center Products Cross-Site Scripting - CVE-2026-20116
Multiple Cisco Contact Center Products Cross-Site Scripting - CVE-2025-20375
Cisco Unified Contact Center Express Arbitrary File Upload V - CVE-2025-20376
Cisco Unified Contact Center Express Remote Code Execution V - CVE-2025-20374
Cisco Unified Contact Center Express Arbitrary File Download
Same vendor: Cisco
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Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-113
- CVE-2026-42035
Axios: Header Injection via Prototype Pollution - CVE-2026-39971
Serendipity: Host Header Injection leads to SMTP header inje - CVE-2026-40175
Axios has Unrestricted Cloud Metadata Exfiltration via Heade - CVE-2026-34715
ewe Has Improper Neutralization of CRLF Sequences in HTTP He - CVE-2026-34520
AIOHTTP: C parser (llhttp) accepts null bytes and control ch
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