PAN-OS: OS Command Argument Injection in Web Interface
Priority LOW 24CWE-88Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-88.
Summary
An OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10. PAN-OS 10.0 and later versions are not impacted.
Why it matters now
EPSS 0.0079 56th percentileScored 2026-11-07
Fix Fixed PAN-OS (Palo Alto Networks): 8.1.19, 9.0.14, 9.1.10
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Palo Alto Networks | PAN-OS | 8.1 to before 8.1.19; 9.0 to before 9.0.14; 9.1 to before 9.1.10 | 8.1.19, 9.0.14, 9.1.10 | Patch available | CNA |
- PAN-OS VendorPalo Alto Networks Affected 8.1 to before 8.1.19; 9.0 to before 9.0.14; 9.1 to before 9.1.10 Fixed in 8.1.19, 9.0.14, 9.1.10 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 8.1.0 to before 8.1.19; 9.0.0 to before 9.0.14; 9.1.0 to before 9.1.10 | Vulnerable | CyberArk Software, a Palo Alto Networks Company |
- cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* Versions 8.1.0 to before 8.1.19; 9.0.0 to before 9.0.14; 9.1.0 to before 9.1.10 Vulnerable ·CyberArk Software, a Palo Alto Networks Company
Remediation
- Fix · CNA PAN-OS (Palo Alto Networks) Fixed in 8.1.19, 9.0.14, 9.1.10
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3045
- 2026-10-03 Alias added: GHSA-xch5-226j-jph3
References
More Palo Alto Networks vulnerabilities
- TI-2024-08782 Expedition: Unauthenticated OS Command Injection Vulnerability Leads to Firewall Credential Disclosure KEVCVSS 4.0CRITICAL 9.9
- TI-2024-03172 PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtect KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01936 PAN-OS: Authentication Bypass in SAML Authentication KEVCVSS 3.1CRITICAL 10.0
- TI-2017-11675 Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-00239 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal KEVCVSS 4.0CRITICAL 9.3
- TI-2024-08784 Expedition: SQL Injection Leads to Firewall Admin Credential Disclosure KEVCVSS 4.0CRITICAL 9.2
Sources
- CVE-2021-3045 · CVE Program
- CVE-2021-3045 · NVD
- FIRST EPSS
- GHSA-xch5-226j-jph3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences