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CVE-2021-3054— PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability

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。 Palo Alto Networks PAN-OS存在安全漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

CVSS 7.2 · High EPSS 0.92% · P59
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I. Basic Information for CVE-2021-3054

Vulnerability Information
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Vulnerability Title
PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A time-of-check to time-of-use (TOCTOU) race condition vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator with permission to upload plugins to execute arbitrary code with root user privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11; PAN-OS 10.0 versions earlier than PAN-OS 10.0.7; PAN-OS 10.1 versions earlier than PAN-OS 10.1.2. This issue does not affect Prisma Access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
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，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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 ~ 8.1.20 -

II. Public POCs for CVE-2021-3054

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III. Intelligence Information for CVE-2021-3054

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Vendor Advisories for CVE-2021-3054 (1)

Same Patch Batch · Palo Alto Networks · 2021-09-08 · 6 CVEs total

CVE-2021-3051 8.1 HIGH Cortex XSOAR: Authentication Bypass in SAML Authentication
CVE-2021-3052 8.0 HIGH PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface
CVE-2021-3053 7.5 HIGH PAN-OS: Exceptional Condition Denial-of-Service (DoS)
CVE-2021-3055 6.5 MEDIUM PAN-OS: XML External Entity (XXE) Reference Vulnerability in the PAN-OS Web Interface
CVE-2021-3049 2.6 LOW Cortex XSOAR: Improper Authorization of Incident Investigations Vulnerability

IV. Related Vulnerabilities

Same product: PAN-OS
Same vendor: Palo Alto Networks
Same weakness: CWE-367

V. Comments for CVE-2021-3054

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