CVE-2020-2011— PAN-OS: Panorama registration denial of service
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I. Basic Information for CVE-2020-2011
Vulnerability Information
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Vulnerability Title
PAN-OS: Panorama registration denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper input validation vulnerability in the configuration daemon of Palo Alto Networks PAN-OS Panorama allows for a remote unauthenticated user to send a specifically crafted registration request to the device that causes the configuration service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS Panorama services by restarting the device and putting it into maintenance mode. This issue affects: All versions of PAN-OS 7.1, PAN-OS 8.0; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.7; PAN-OS 9.1 versions earlier than 9.1.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks PAN-OS 输入验证错误漏洞
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中的配置守护程序存在输入验证错误漏洞。攻击者可借助特制请求利用该漏洞导致配置服务崩溃。以下产品及版本受到影响：Palo Alto Networks PAN-OS 7.1所有版本，8.0所有版本，8.1.14之前的8.1版本，9.0.7之前的9.0版本，9.1.0之前的9.1版本。
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 | 7.1.* | - |
II. Public POCs for CVE-2020-2011
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|---|
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- https://security.paloaltonetworks.com/CVE-2020-2011x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-2011
Same Patch Batch · Palo Alto Networks · 2020-05-13 · 24 CVEs total
| CVE-2020-2018 | 9.0 CRITICAL | PAN-OS: Panorama authentication bypass vulnerability |
| CVE-2020-2014 | 8.8 HIGH | PAN-OS: OS injection vulnerability in PAN-OS management server |
| CVE-2020-2015 | 8.8 HIGH | PAN-OS: Buffer overflow in the management server |
| CVE-2020-2017 | 8.8 HIGH | PAN-OS: DOM-Based cross site scripting vulnerability in management web interface |
| CVE-2020-2013 | 8.3 HIGH | PAN-OS: Panorama context switch session cookie disclosure |
| CVE-2020-2002 | 8.1 HIGH | PAN-OS: Spoofed Kerberos key distribution center authentication bypass |
| CVE-2020-2001 | 8.1 HIGH | PAN-OS: Panorama External control of file vulnerability leads to privilege escalation |
| CVE-2020-2012 | 7.5 HIGH | PAN-OS: Panorama: XML external entity reference ('XXE') vulnerability leads the to informa |
| CVE-2020-2010 | 7.2 HIGH | PAN-OS: Authenticated user command injection vulnerability |
| CVE-2020-2009 | 7.2 HIGH | PAN-OS: Panorama SD WAN arbitrary file creation |
| CVE-2020-2008 | 7.2 HIGH | PAN-OS: OS command injection or arbitrary file deletion vulnerability |
| CVE-2020-2007 | 7.2 HIGH | PAN-OS: OS command injection in management server |
| CVE-2020-2006 | 7.2 HIGH | PAN-OS: Buffer overflow in management server payload parser |
| CVE-2020-2005 | 7.1 HIGH | PAN-OS: GlobalProtect Clientless VPN session hijacking |
| CVE-2020-2016 | 7.0 HIGH | PAN-OS: Temporary file race condition vulnerability in PAN-OS leads to local privilege esc |
| CVE-2020-2004 | 6.8 MEDIUM | GlobalProtect App: Passwords may be logged in clear text while collecting troubleshooting |
| CVE-2020-2003 | 6.5 MEDIUM | PAN-OS: Authenticated administrator can delete arbitrary system file |
| CVE-2020-1998 | 5.4 MEDIUM | PAN-OS: Improper SAML SSO authorization of shared local users |
| CVE-2020-1997 | 5.3 MEDIUM | PAN-OS: GlobalProtect registration open redirect |
| CVE-2020-1996 | 5.3 MEDIUM | PAN-OS: Panorama management server log injection |
Showing top 20 of 24 CVEs. View all on vendor page → →
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-20
V. Comments for CVE-2020-2011
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