Prisma Access
CVE-2021-3061
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK
2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
An OS command injection vulnerability in the Palo Alto Networks PAN-OS command line interface (CLI) enables an authenticated administrator with access to the CLI to execute arbitrary OS commands to. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. An OS command injection vulnerability in the Palo Alto Networks PAN-OS command line interface (CLI) enables an authenticated administrator with access to the CLI to execute arbitrary OS commands to escalate privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20-h1; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14-h3; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11-h2; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8; PAN-OS 10.1 versions earlier than PAN-OS 10.1.3. Prisma Access customers that have Prisma Access 2.1 firewalls are impacted by this issue. Affected products include: Paloaltonetworks Prisma Access, Paloaltonetworks Pan-Os.
Know when Prisma Access gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
An OS command injection vulnerability in the Palo Alto Networks PAN-OS command line interface (CLI) enables an authenticated administrator with access to the CLI to execute arbitrary OS commands to escalate privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20-h1; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14-h3; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11-h2; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8; PAN-OS 10.1 versions earlier than PAN-OS 10.1.3. Prisma Access customers that have Prisma Access 2.1 firewalls are impacted by this issue.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Affected Products (CPE)NVD
More in Prisma Access
View allRemote code execution in Palo Alto Networks PAN-OS User-ID Authentication Portal (Captive Portal) allows unauthenticated
Authentication bypass in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS allows remote attackers to es
Authentication bypass in Palo Alto Networks PAN-OS allows unauthenticated network attackers to circumvent authentication
A Denial of Service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS software allows an unauthenti
Command injection in Palo Alto Networks PAN-OS enables an authenticated administrator to escape system-enforced restrict
An OS command injection vulnerability in the Simple Certificate Enrollment Protocol (SCEP) feature of PAN-OS software al
Privilege escalation in Palo Alto Networks PAN-OS on PA-Series and VM-Series firewalls and Panorama appliances allows an
Unauthenticated remote attackers can crash Palo Alto Networks PAN-OS firewalls through repeated requests, forcing the de
Buffer overflow in the XML processing stack of Palo Alto Networks PAN-OS enables unauthenticated remote attackers to cau
Heap-based buffer overflow in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS allows unauthenticated
Remote code execution and denial-of-service in Palo Alto Networks PAN-OS software stems from a buffer overflow in the IK
An information exposure vulnerability exists in Palo Alto Networks PAN-OS software that enables a GlobalProtect end user
GitHub PoC
Exploit-DB