title: PAN-OS: OS Command Injection Vulnerability in Web Interface
description: An OS command injection vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to execute arbitrary OS commands to escalate privileges. This issue impacts: PAN-OS 9.0 version 9.0.10 through PAN-OS 9.0.14; PAN-OS 9.1 version 9.1.4 through PAN-OS 9.1.10; PAN-OS 10.0 version 10.0.7 and earlier PAN-OS 10.0 versions; PAN-OS 10.1 version 10.1.0 through PAN-OS 10.1.1. Prisma Access firewalls and firewalls running PAN-OS 8.1 versions are not impacted by this issue.
problem types: CWE-78 OS Command Injection
affected:
{
product: PAN-OS
vendor: Palo Alto Networks
versions:
status: unaffected, version: 8.1.*
changes: [at: 9.0.15, status: unaffected], lessThan: 9.0*, status: affected, version: 9.0.10, versionType: custom
changes: [at: 9.1.11, status: unaffected], lessThan: 9.1*, status: affected, version: 9.1.4, versionType: custom
changes: [at: 10.0.8, status: unaffected], lessThan: 10.0*, status: affected, version: 10.0.0, versionType: custom
changes: [at: 10.1.2, status: unaffected], lessThan: 10.1*, status: affected, version: 10.1.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
exploits: Palo Alto Networks is not aware of any malicious exploitation of this issue. However, exploits for this issue are publicly available.
solutions: We intend to fix this issue in PAN-OS 9.0.15 (ETA November 2021), PAN-OS 9.1.11 (ETA September 2021), PAN-OS 10.0.8 (ETA September 2021), PAN-OS 10.1.2 (ETA September 2021) and all later PAN-OS versions.
workarounds: Enable signatures for Unique Threat ID 91439 on traffic destined for the web interface to block attacks against CVE-2021-3050.
This issue requires the attacker to have authenticated access to the PAN-OS web interface. You can mitigate the impact of this issue by following best practices for securing the PAN-OS web interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices.