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CVE-2021-3036— PAN-OS: Administrator secrets are logged in web server logs when using the PAN-OS XML API incorrectly

Quick assessment

Affected
Palo Alto Networks PAN-OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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。 PAN-OS XML 存在安全漏洞，该漏洞允许本地用户访问敏感信息。

CVSS 4.4 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-3036

Vulnerability Information
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Vulnerability Title
PAN-OS: Administrator secrets are logged in web server logs when using the PAN-OS XML API incorrectly
Source: CVE Program / CVE List V5
Vulnerability Description
An information exposure through log file vulnerability exists in Palo Alto Networks PAN-OS software where secrets in PAN-OS XML API requests are logged in cleartext to the web server logs when the API is used incorrectly. This vulnerability applies only to PAN-OS appliances that are configured to use the PAN-OS XML API and exists only when a client includes a duplicate API parameter in API requests. Logged information includes the cleartext username, password, and API key of the administrator making the PAN-OS XML API request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
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。 PAN-OS XML 存在安全漏洞，该漏洞允许本地用户访问敏感信息。
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 ~ 8.1.19 -

II. Public POCs for CVE-2021-3036

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III. Intelligence Information for CVE-2021-3036

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Vendor Advisories for CVE-2021-3036 (1)

Same Patch Batch · Palo Alto Networks · 2021-04-20 · 4 CVEs total

CVE-2021-3035 6.7 MEDIUM Bridgecrew Checkov: Unsafe deserialization of Terraform files allows code execution
CVE-2021-3038 5.5 MEDIUM GlobalProtect App: Windows VPN kernel driver denial of service (DoS)
CVE-2021-3037 2.3 LOW PAN-OS: Secrets for scheduled configuration exports are logged in system logs

IV. Related Vulnerabilities

Same product: PAN-OS
Same vendor: Palo Alto Networks
Same weakness: CWE-532

V. Comments for CVE-2021-3036

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