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CRITICAL · CVSS 10 CISA Known Exploited Vulnerability

CVE-2024-3400

Palo Alto Networks PAN-OS Command Injection Vulnerability

Palo Alto Networks PAN-OS

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.

CVSS
10
CRITICAL
EPSS
100%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
12 Apr 2024
CWE-20, CWE-77

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 12 April 2024. US federal agencies were required to remediate it by 19 April 2024. CISA records this vulnerability as known to be used in ransomware campaigns.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 100%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Frequently asked questions

Is CVE-2024-3400 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2024-3400.

What does CVE-2024-3400 affect?

CVE-2024-3400 affects Palo Alto Networks PAN-OS. 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.

How severe is CVE-2024-3400?

CVE-2024-3400 is rated CRITICAL with a CVSS base score of 10. EPSS puts the probability of exploitation in the next 30 days at 100%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 19 April 2024.

How should organisations respond to CVE-2024-3400?

Apply the vendor patch for Palo Alto Networks PAN-OS as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.