CVE-2020-2043— PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog field for config logs
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I. Basic Information for CVE-2020-2043
Vulnerability Information
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Vulnerability Title
PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog field for config logs
Source: NVD (National Vulnerability Database)
Vulnerability Description
An information exposure through log file vulnerability where sensitive fields are recorded in the configuration log without masking on Palo Alto Networks PAN-OS software when the after-change-detail custom syslog field is enabled for configuration logs and the sensitive field appears multiple times in one log entry. The first instance of the sensitive field is masked but subsequent instances are left in clear text. 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过日志文件的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks PAN-OS 日志信息泄露漏洞
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 中存在日志信息泄露漏洞。该漏洞源于网络系统或产品的日志文件非正常输出。
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 | 8.1 ~ 8.1.16 | - |
II. Public POCs for CVE-2020-2043
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|---|
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- https://security.paloaltonetworks.com/CVE-2020-2043x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-2043
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-2020-2039 | 5.3 MEDIUM | PAN-OS: Management web interface denial-of-service (DoS) through unauthenticated file uplo |
| 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
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Cortex XDR Agent: Local Administrator can disable the agent - CVE-2026-0233
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Cortex XSOAR: Improper Verification of Cryptographic Signatu - CVE-2026-0231
Cortex XDR Broker VM: Sensitive Information Disclosure Vulne
Same weakness: CWE-532
- CVE-2026-42282
n8n-MCP: Sensitive MCP tool-call arguments logged on authent - CVE-2026-41495
n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Req - CVE-2026-41004
VMware Spring Cloud Config 日志信息泄露漏洞 - CVE-2024-30151
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PaperCut Hive (Ricoh): Plain text password in logs
V. Comments for CVE-2020-2043
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