Remote code execution in PAN-OS SSH management interface (PAN-SA-2019-0022)

Last revised: 08/23/2019


Palo Alto Networks is aware of a remote code execution vulnerability in the PAN-OS SSH device management interface that can lead to unauthenticated remote users with network access to the SSH management interface gaining root access to PAN-OS. (Ref: # PAN-123564/ CVE-2019-1581).

Severity: Critical

Successful exploitation will allow a remote, unauthenticated user to execute arbitrary code by crafting and sending a malicious message to the SSH device management interface.

Products Affected

PAN-OS 7.1.24 and earlier, PAN-OS 8.0.19 and earlier, PAN-OS 8.1.9 and earlier, and PAN-OS 9.0.3 and earlier.

Available Updates

PAN-OS 7.1.24-h1 and later, PAN-OS 8.0.19-h1 and later, PAN-OS 8.1.9-h4 and later, and PAN-OS 9.0.3-h3 and later.

Workarounds and Mitigations

This issue affects the SSH management interface of PAN-OS and is strongly mitigated by following best practices for securing the PAN-OS management interfaces. Our best practices guidelines reduce the exposure of device management interfaces to potential attacke...


The UK's National Cyber Security Centre (NCSC)