CVE-2020-1990— PAN-OS: Buffer overflow in the management server
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I. Basic Information for CVE-2020-1990
Vulnerability Information
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Vulnerability Title
PAN-OS: Buffer overflow in the management server
Source: NVD (National Vulnerability Database)
Vulnerability Description
A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows an authenticated user to upload a corrupted PAN-OS configuration and potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0 versions before 9.0.7. This issue does not affect PAN-OS 7.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks PAN-OS 缓冲区错误漏洞
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 8.1.13之前的8.1版本和9.0.7之前的9.0版本中的管理服务器组件存在缓冲区错误漏洞，该漏洞源于不正确的边界检查。远程攻击者可利用该漏洞上传损坏的PAN OS配置，并可能以root权限在系统上执行任意代码。
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 | 7.1.* | - |
II. Public POCs for CVE-2020-1990
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|---|
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- https://security.paloaltonetworks.com/CVE-2020-1990x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-1990
Same Patch Batch · Palo Alto Networks · 2020-04-08 · 7 CVEs total
| CVE-2020-1992 | 8.1 HIGH | PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege esca |
| CVE-2020-1991 | 7.8 HIGH | Traps: Insecure temporary file vulnerability may allow privilege escalation on Windows |
| CVE-2020-1989 | 7.0 HIGH | Global Protect Agent: Incorrect privilege assignment allows local privilege escalation |
| CVE-2020-1978 | 5.8 MEDIUM | VM-Series on Microsoft Azure: Inadvertent collection of credentials in Tech support files |
| CVE-2020-1988 | 4.2 MEDIUM | Global Protect Agent: Local privilege escalation due to an unquoted search path vulnerabil |
| CVE-2020-1987 | 3.9 LOW | Global Protect Agent: VPN cookie local information disclosure |
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
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Same weakness: CWE-121
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V. Comments for CVE-2020-1990
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