CVE-2021-3052— PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface
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I. Basic Information for CVE-2021-3052
Vulnerability Information
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Vulnerability Title
PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface
Source: NVD (National Vulnerability Database)
Vulnerability Description
A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authenticated network-based attacker to mislead another authenticated PAN-OS administrator to click on a specially crafted link that performs arbitrary actions in the PAN-OS web interface as the targeted authenticated administrator. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.20; PAN-OS 9.0 versions earlier than 9.0.14; PAN-OS 9.1 versions earlier than 9.1.10; PAN-OS 10.0 versions earlier than 10.0.2. This issue does not affect Prisma Access.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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
Palo Alto Networks PAN-OS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks PAN-OS是美国Palo Alto Networks公司的一套为其防火墙设备开发的操作系统。 Palo Alto Networks PAN-OS 存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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 |
|---|---|---|---|---|
| Palo Alto Networks | PAN-OS | 10.1.* | - |
II. Public POCs for CVE-2021-3052
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://security.paloaltonetworks.com/CVE-2021-3052x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3052
Same Patch Batch · Palo Alto Networks · 2021-09-08 · 6 CVEs total
| CVE-2021-3051 | 8.1 HIGH | Cortex XSOAR: Authentication Bypass in SAML Authentication |
| CVE-2021-3053 | 7.5 HIGH | PAN-OS: Exceptional Condition Denial-of-Service (DoS) |
| CVE-2021-3054 | 7.2 HIGH | PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability |
| CVE-2021-3055 | 6.5 MEDIUM | PAN-OS: XML External Entity (XXE) Reference Vulnerability in the PAN-OS Web Interface |
| CVE-2021-3049 | 2.6 LOW | Cortex XSOAR: Improper Authorization of Incident Investigations Vulnerability |
IV. Related Vulnerabilities
Same product: PAN-OS
- CVE-2025-0116
PAN-OS: Firewall Denial of Service (DoS) Using a Specially C - CVE-2025-0115
PAN-OS: Authenticated Admin File Read Vulnerability in PAN-O - CVE-2025-0114
PAN-OS: Denial of Service (DoS) in GlobalProtect - CVE-2024-9471
PAN-OS: Privilege Escalation (PE) Vulnerability in XML API - CVE-2024-8691
PAN-OS: User Impersonation in GlobalProtect Portal
Same vendor: Palo Alto Networks
- CVE-2026-0300
PAN-OS: Unauthenticated user initiated Buffer Overflow Vulne - CVE-2026-0232
Cortex XDR Agent: Local Administrator can disable the agent - CVE-2026-0233
Autonomous Digital Experience Manager: Improper validation o - CVE-2026-0234
Cortex XSOAR: Improper Verification of Cryptographic Signatu - CVE-2026-0231
Cortex XDR Broker VM: Sensitive Information Disclosure Vulne
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-2021-3052
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