# CVE-2024-3400 — Palo Alto Networks PAN-OS **CISA KEV** · **Ransomware** > As of 2025-10-21, CVE-2024-3400 is a CRITICAL-severity vulnerability in Palo Alto Networks PAN-OS, CVSS v3.1 10, EPSS 99.9% (99.9th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-04-12), with a US federal remediation deadline of 2024-04-19, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2024-3400, most recently “Edge Infrastructure Under Siege: Tenable and SentinelOne Datasets Reveal Convergent Nation-State and Criminal Exploitation of Perimeter Devices”. **Last updated:** 2025-10-21 ## What is CVE-2024-3400? 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. The record classifies CVE-2024-3400 under weakness classes [CWE-77](https://cwe.mitre.org/data/definitions/77.html), [CWE-20](https://cwe.mitre.org/data/definitions/20.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 883 days ago. ## Severity and exploitation probability - **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`) - **EPSS (FIRST):** 99.9% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs - **CISA KEV:** Listed since 2024-04-12, federal remediation deadline 2024-04-19 — used in known ransomware campaigns - **Threadlinqs priority:** 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum - **Published:** 2024-04-12, last modified 2025-10-21 ## Is CVE-2024-3400 being exploited? CISA added CVE-2024-3400 to the Known Exploited Vulnerabilities catalog on 2024-04-12, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2024-04-19 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2024-3400 is publicly available. 11 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (`http/cves/2024/CVE-2024-3400.yaml`). It currently carries a trending score of 45 in the Threadlinqs vulnerability feed. - [h4x0r-dz/CVE-2024-3400](https://github.com/h4x0r-dz/CVE-2024-3400) (github) - [W01fh4cker/CVE-2024-3400-RCE-Scan](https://github.com/W01fh4cker/CVE-2024-3400-RCE-Scan) (github) - [0x0d3ad/CVE-2024-3400](https://github.com/0x0d3ad/CVE-2024-3400) (github) - [ihebski/CVE-2024-3400](https://github.com/ihebski/CVE-2024-3400) (github) - [Chocapikk/CVE-2024-3400](https://github.com/Chocapikk/CVE-2024-3400) (github) - [momika233/CVE-2024-3400](https://github.com/momika233/CVE-2024-3400) (github) - [Yuvvi01/CVE-2024-3400](https://github.com/Yuvvi01/CVE-2024-3400) (github) - [ak1t4/CVE-2024-3400](https://github.com/ak1t4/CVE-2024-3400) (github) ## Affected products and versions - **Palo Alto Networks**: PAN-OS, Cloud NGFW, Prisma Access ## How to fix CVE-2024-3400 Vendor advisory: [https://security.paloaltonetworks.com/CVE-2024-3400](https://security.paloaltonetworks.com/CVE-2024-3400). Because CVE-2024-3400 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2024-04-19. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory. ## Threat activity tracking CVE-2024-3400 1 tracked threat in the Threadlinqs corpus references CVE-2024-3400, either in the campaign’s CVE list or as an indicator on the campaign record. - [Edge Infrastructure Under Siege: Tenable and SentinelOne Datasets Reveal Convergent Nation-State and Criminal Exploitation of Perimeter Devices](https://intel.threadlinqs.com/threat/TL-2026-2153) — HIGH · 2026-08-26 ## Sources Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-07-19. This product uses the NVD API but is not endorsed or certified by the NVD. **Vendor advisory and patch** - [security.paloaltonetworks.com — vendor advisory](https://security.paloaltonetworks.com/CVE-2024-3400) **Technical analysis** - [unit42.paloaltonetworks.com — technical description](https://unit42.paloaltonetworks.com/cve-2024-3400/) - [volexity.com — technical description](https://www.volexity.com/blog/2024/04/12/zero-day-exploitation-of-unauthenticated-remote-code-execution-vulnerability-in-globalprotect-cve-2024-3400/) - [paloaltonetworks.com — technical description](https://www.paloaltonetworks.com/blog/2024/04/more-on-the-pan-os-cve/) Canonical: https://intel.threadlinqs.com/cve/CVE-2024-3400 Full detection coverage and IOCs for threats exploiting CVE-2024-3400 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp