Improper restriction of communication channel to intended endpoints in Palo Alto PAN-OS - CVE-2019-17440
Published: December 20, 2019
Vulnerability identifier: #VU23777
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-17440
CWE-ID: CWE-923
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper restriction of communications to Log Forwarding Card (LFC) on
PA-7000 Series devices with second-generation Switch Management Card
(SMC). A remote attacker with network access to the LFC can gain perform a spoofing attack and gain root privileges on the device.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2019-17440
The vulnerability affects PAn-OS on PA-7080 and PA-7050 devices with an LFC installed and configured.
To resolve the vulnerability, update PAN-OS to version 9.0.5-h3.
Palo Alto PAN-OS - update to 9.0.5-h3