CVE-2019-1579VulnerabilityPublished 01/10/2022Updated 10/24/2026

CVE-2019-1579: Palo Alto Networks PAN-OS Remote Code Execution Vulnerability

Affects Palo Alto Networks PAN-OSSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 01/10/2022
KEV deadline: 07/10/2022
Ransomware: Used in ransomware campaigns
EPSS: 46.2% chance of exploitation in 30 days – higher than 98% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2019-1579 (opens in a new tab)

Description

CVE-2019-1579 is a high-severity remote code execution vulnerability in Palo Alto Networks PAN-OS affecting systems with GlobalProtect Portal or GlobalProtect Gateway Interface enabled. This vulnerability has been exploited in the wild and is known to have been used in ransomware campaigns.

Summary

This vulnerability (CVE-2019-1579) allows remote code execution on PAN-OS devices when the GlobalProtect Portal or GlobalProtect Gateway Interface is enabled. It is classified under CWE-134, indicating a format string vulnerability. Exploitation enables attackers to execute arbitrary code remotely, compromising the affected device.

Impact

Successful exploitation can lead to full remote code execution on the affected PAN-OS device, potentially allowing attackers to control the device, disrupt network operations, or deploy ransomware. The vulnerability has been actively exploited in the wild and linked to ransomware campaigns, indicating significant real-world impact.

Mitigation

Patch status is not yet confirmed — check the Palo Alto Networks vendor advisory for current remediation guidance. Until an official fix is confirmed, restrict access to the GlobalProtect Portal and Gateway interfaces and monitor for suspicious activity related to this vulnerability.

Weaknesses

CWE-134Unclassified weakness (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 09:56:31 UTC

Weaknesses

References

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