CVE-2026-0228— PAN-OS: Improper Validation of Terminal Server Agent Certificate
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I. Basic Information for CVE-2026-0228
Vulnerability Information
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Vulnerability Title
PAN-OS: Improper Validation of Terminal Server Agent Certificate
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper certificate validation vulnerability in PAN-OS allows users to connect Terminal Server Agents on Windows to PAN-OS using expired certificates even if the PAN-OS configuration would not normally permit them to do so.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks PAN-OS 安全漏洞
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存在安全漏洞，该漏洞源于证书验证不当，可能导致用户使用过期证书连接Windows上的终端服务器代理。
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 | Cloud NGFW | - | - | |
| Palo Alto Networks | PAN-OS | 11.2.0 ~ 11.2.8 | cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:h8:*:*:*:*:*:* | |
| Palo Alto Networks | Prisma Access | 10.2.0 ~ 10.2.10-h28 | - |
II. Public POCs for CVE-2026-0228
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|---|
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IV. Related Vulnerabilities
Same product: Cloud NGFW
- CVE-2026-0300
PAN-OS: Unauthenticated user initiated Buffer Overflow Vulne - CVE-2026-0229
PAN-OS: Denial of Service in Advanced DNS Security Feature - CVE-2026-0227
PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Ga - CVE-2025-4619
PAN-OS: Firewall Denial of Service (DoS) Using Specially Cra - CVE-2025-4615
PAN-OS: Improper Neutralization of Input in the Management W
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-295
V. Comments for CVE-2026-0228
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