CVE-2024-3400 — PAN-OS
CRITICALCVE-2024-3400 is a critical-severity (CVSS 10) Improper Input Validation vulnerability in paloaltonetworks pan-os. It is in CISA's Known Exploited Vulnerabilities catalog (added 2024-04-12) and has been used in ransomware campaigns — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.
A command injection as a result of arbitrary file creation vulnerability in the GlobalProtect feature of Palo Alto Networks PAN-OS software for specific PAN-OS versions and distinct…
Exploitation Status
Actively exploited in the wild
- Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2024-04-12 — including use in ransomware campaigns. Federal agencies were required to remediate by 2024-04-19.
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
- A successful exploit gives an attacker total control of the affected component, not partial access.
Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2024-3400.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2024-3400 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).
Where this sits among everything scored
Of 383,485 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.
Description
A command injection as a result of arbitrary file creation vulnerability in the GlobalProtect feature of Palo Alto Networks PAN-OS software for specific PAN-OS versions and distinct feature configurations may enable an unauthenticated attacker to execute arbitrary code with root privileges on the firewall.
Cloud NGFW, Panorama appliances, and Prisma Access are not impacted by this vulnerability.
Affected Products
pan-ospaloaltonetworksResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Palo Alto PAN-OS < v11.1.2-h3 - Command Injection and Arbitrary File Creation
by Kr0ff · Apr 21, 2024
Detection & mitigation playbook
Vendor / applianceDetect
Inventory every paloaltonetworks pan-os deployment and check each version against the affected-products list above.
Remediation status
No patch has shipped for CVE-2024-3400 yet — track the paloaltonetworks pan-os advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.
How to detect CVE-2024-3400
A community-maintained Nuclei template exists for this CVE. You can scan for it directly:
nuclei -id cve-2024-3400 -u https://target- Template
- GlobalProtect - OS Command Injection
- Severity
- critical
- Impact
- Unauthenticated attackers can execute arbitrary code with root privileges on Palo Alto Networks PAN-OS firewalls.
- Remediation
- Apply security patches for PAN-OS addressing CVE-2024-3400.
Template by ProjectDiscovery nuclei-templates (salts, parthmalhotra), MIT licensed. View the full template. Scan only systems you are authorised to test.
Frequently Asked Questions
Is CVE-2024-3400 being exploited in your environment?
Detect and block the exploit chain at execution, on systems you cannot patch yet.