CVE-2021-34784— Cisco Prime Infrastructure and Evolved Programmable Network Manager Stored Cross-Site Scripting Vulnerability
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I. Basic Information for CVE-2021-34784
Vulnerability Information
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Vulnerability Title
Cisco Prime Infrastructure and Evolved Programmable Network Manager Stored Cross-Site Scripting Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Evolved Programmable Network Manager和Cisco Prime Infrastructure 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Evolved Programmable Network Manager和Cisco Prime Infrastructure都是美国思科（Cisco）公司的产品。Cisco Evolved Programmable Network Manager是一套网络管理解决方案。Cisco Prime Infrastructure是一个应用软件。用于简化无线和有线网络的管理。 Cisco Evolved Programmable Network Manager和Cisco Prime Infrastr
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 Prime Infrastructure | n/a | - |
II. Public POCs for CVE-2021-34784
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-pi-epnm-xss-U2JK537jvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-34784
Same Patch Batch · Cisco · 2021-11-04 · 18 CVEs total
| CVE-2021-34795 | 10.0 CRITICAL | Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities |
| CVE-2021-40112 | 10.0 CRITICAL | Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities |
| CVE-2021-40113 | 10.0 CRITICAL | Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities |
| CVE-2021-40119 | 9.8 CRITICAL | Cisco Policy Suite Static SSH Keys Vulnerability |
| CVE-2021-34739 | 8.1 HIGH | Cisco Small Business Series Switches Session Credentials Replay Vulnerability |
| CVE-2021-34741 | 7.5 HIGH | Cisco Email Security Appliance Denial of Service Vulnerability |
| CVE-2021-40124 | 6.7 MEDIUM | Cisco AnyConnect Secure Mobility Client for Windows with Network Access Manager Module Pri |
| CVE-2021-34773 | 6.5 MEDIUM | Cisco Unified Communications Products Cross-Site Request Forgery Vulnerability |
| CVE-2021-40120 | 6.5 MEDIUM | Cisco Small Business RV Series Routers Command Injection Vulnerability |
| CVE-2021-40115 | 6.1 MEDIUM | Cisco Webex Video Mesh Cross-Site Scripting Vulnerability |
| CVE-2021-1500 | 5.4 MEDIUM | Cisco Webex Video Mesh Arbitrary Site Redirection Vulnerability |
| CVE-2021-40128 | 5.3 MEDIUM | Cisco Webex Meetings Email Content Injection Vulnerability |
| CVE-2021-40127 | 5.3 MEDIUM | Cisco Small Business 200, 300, and 500 Series Switches Web-Based Management Interface Deni |
| CVE-2021-34774 | 4.9 MEDIUM | Cisco Common Services Platform Collector Information Disclosure Vulnerability |
| CVE-2021-34731 | 4.8 MEDIUM | Cisco Prime Access Registrar Stored Cross-Site Scripting Vulnerability |
| CVE-2021-40126 | 4.3 MEDIUM | Cisco Umbrella Email Enumeration Vulnerability |
| CVE-2021-34701 | 4.3 MEDIUM | Cisco Unified Communications Products Path Traversal Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco Prime Infrastructure
- CVE-2026-20189
Cisco Prime Infrastructure Information Disclosure Vulnerabil - CVE-2026-20111
Cisco Prime Infrastructure Stored Cross-Site Scripting Vulne - CVE-2025-20203
Cisco Evolved Programmable Network Manager和Cisco Prime Infra - CVE-2025-20120
Cisco Evolved Programmable Network Manager和Cisco Prime Infra - CVE-2023-20260
Cisco Evolved Programmable Network Manager和Cisco Prime Infra
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2021-34784
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