Threats / Palo Alto Networks / CVE-2024-3400
CVE-2024-3400
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Palo Alto Networks PAN-OS vulnerability
Palo Alto Networks PAN-OS GlobalProtect contains an unauthenticated command injection vulnerability allowing root-level code execution on firewalls. Actively exploited in ransomware campaigns.
Verdict
Today item, not a backlog item.
An unauthenticated remote attacker can inject arbitrary commands into PAN-OS GlobalProtect, achieving root privilege execution on affected firewalls. This critical vulnerability is being actively weaponized in ransomware operations, enabling attackers to compromise network perimeter security.
CISA KEV Yes · 2024-04-123Ransomware use Flagged3EPSS 0.99999 (verify live)4Exploit Weaponized · public PoC5
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
403 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-04-12), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.99999 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Palo Alto Networks, PAN-OS. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-20 Improper Input Validation, CWE-77 Command Injection — weakness family: Injection.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious request to the GlobalProtect endpoint without authentication credentials.
Business
The organization's firewall perimeter is exposed to remote compromise without requiring valid credentials.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I inject shell metacharacters into input fields to break out of intended command context and execute arbitrary system commands.
Business
Attackers gain unrestricted command execution capability at the highest privilege level on critical network infrastructure.
3
Lateral reach — past segmentation narrative 3
Attacker
I execute commands with root privileges to install backdoors, exfiltrate data, or pivot to internal network segments.
Business
The compromised firewall becomes a beachhead for lateral movement, data theft, and ransomware deployment across the enterprise.
4
Data at risk — exfiltration narrative 4
Attacker
I deploy ransomware payloads or encrypt critical systems accessible through the compromised firewall.
Business
Operations halt, sensitive data is encrypted or stolen, and the organization faces extortion demands and regulatory penalties.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05
Coverage & confidence
— what we know, and what we don’tEstablished (cited)
Coverage gaps — stated, not hidden
Disclosure & credit2
Catalogued by palo_altoCNA
Credited with finding itPalo Alto Networks thanks Volexity for detecting and identifying this issue.finderCapability Development Group at Bishop Fox for helping us verify the fixes and improve threat prevention signatures.remediation verifier