CVE-2021-3054 - CVE House
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Status published High CVE-2021-3054

PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Palo Alto Networks thanks Praetorian for discovering and reporting this issue.

References

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CVE-2025-4617
Prisma Browser: Insufficient Policy Enforcement Vulnerability in Prisma Browser
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CVE-2025-4616
Prisma Browser: Insufficient Validation of Untrusted Input Vulnerability in Prisma Browser
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CVE-2025-4615
PAN-OS: Improper Neutralization of Input in the Management Web Interface
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Affected Vendor

Palo Alto Networks

View all reports →

Affected Software

PAN-OS
Vulnerable Versions:
8.1, 9.0, 10.0, 9.1, 10.1

Timeline

Official Publish: September 8th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-367

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow
Privilege Escalation
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1036 Masquerading
Defense Evasion
T1485 Data Destruction
Impact
T1005 Data from Local System
Collection