CVE-2020-2039— PAN-OS: Management web interface denial-of-service (DoS) through unauthenticated file upload
Quick assessment
Affected
Palo Alto Networks PAN-OS
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。攻击者可利用该漏洞反复上传文件。以下是受到影响的产品及版本：8.1到8.1.16 版本、9.0到9.0.10版本、9.1到9.1.4的版本、10.0到10.0.1版本。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2020-2039
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
PAN-OS: Management web interface denial-of-service (DoS) through unauthenticated file upload
Source: CVE Program / CVE List V5
Vulnerability Description
An uncontrolled resource consumption vulnerability in Palo Alto Networks PAN-OS allows for a remote unauthenticated user to upload temporary files through the management web interface that are not properly deleted after the request is finished. It is possible for an attacker to disrupt the availability of the management web interface by repeatedly uploading files until available disk space is exhausted. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.10; PAN-OS 9.1 versions earlier than PAN-OS 9.1.4; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks PAN-OS 资源管理错误漏洞
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 资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。攻击者可利用该漏洞反复上传文件。以下是受到影响的产品及版本：8.1到8.1.16 版本、9.0到9.0.10版本、9.1到9.1.4的版本、10.0到10.0.1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 | 9.1 ~ 9.1.4 | - |
|
II. Public POCs for CVE-2020-2039
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-2039
请登录查看更多情报信息。
Vendor Advisories for CVE-2020-2039 (1)
-
https://security.paloaltonetworks.com/CVE-2020-2039 x_refsource_MISC
Same Patch Batch · Palo Alto Networks · 2020-09-09 · 9 CVEs total
| CVE-2020-2040 | 9.8 CRITICAL | PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enable |
| CVE-2020-2036 | 8.8 HIGH | PAN-OS: Reflected Cross-Site Scripting (XSS) vulnerability in management web interface |
| CVE-2020-2041 | 7.5 HIGH | PAN-OS: Management web interface denial-of-service (DoS) |
| CVE-2020-2037 | 7.2 HIGH | PAN-OS: OS command injection vulnerability in the management web interface |
| CVE-2020-2038 | 7.2 HIGH | PAN-OS: OS command injection vulnerability in the management web interface |
| CVE-2020-2042 | 7.2 HIGH | PAN-OS: Buffer overflow in the management web interface |
| CVE-2020-2043 | 3.3 LOW | PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog |
| CVE-2020-2044 | 3.3 LOW | PAN-OS: Passwords may be logged in clear text while storing operational command (op comman |
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-2026-0302
Checkov by Prisma Cloud: OS Command Injection Vulnerability -
CVE-2026-0303
Checkov by Prisma Cloud: Code Execution via Auto-Loaded Conf -
CVE-2026-0304
Cortex XDR Broker VM: Privilege Escalation Vulnerability -
CVE-2026-0305
Prisma Access Agent: Information Disclosure Vulnerability on -
CVE-2026-0306
Prisma Access Agent: EndPoint DLP Bypass Vulnerability on Wi
Same weakness: CWE-400
-
CVE-2026-107805
Nginx UI: Unauthenticated signed-request body staging can ex -
CVE-2026-107727
Strawberry legacy graphql-ws retains naturally completed sub -
CVE-2026-107391
music-metadata: MP4 stsd sample-entry size==0 causes a synch -
CVE-2026-84276
IBM Guardium Data Protection Denial of Service -
CVE-2026-107294
Pydantic AI: Unbounded memory use when downloading remote co
V. Comments for CVE-2020-2039
No comments yet