CVE-2016-6210 OpenSSH Vulnerability
Palo Alto Networks makes use of a the OpenSSH tool. CVE-2016-6210 was recently confirmed to be applicable to the version in use by PAN-OS. (Ref # 100977/CVE-2016-6210).
To exploit this vulnerability, an attacker would have to guess usernames defined as system administrators on the firewall.
This issue affects PAN-OS 5.0.X and earlier; PAN-OS 5.1.X and earlier; PAN-OS 6.0.14 and earlier; PAN-OS 6.1.14 and earlier; PAN-OS 7.0.10 and earlier; PAN-OS 7.1.5 and earlier
|PAN-OS 7.1||<= 7.1.5||>= 7.1.6|
|PAN-OS 7.0||<= 7.0.10||>= 7.0.11|
|PAN-OS 6.1||<= 6.1.14||>= 6.1.15|
|PAN-OS 6.0||<= 6.0.14||>= 6.0.15|
CVSSv3.1 Base Score:5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
PAN-OS 6.0.15 and later; PAN-OS 6.1.15 and later; PAN-OS 7.0.11 and later; PAN-OS 7.1.6 and later
Workarounds and Mitigations
Palo Alto Networks recommends following best practices by not relying on hidden usernames and setting unique, long, and complex passwords for each of the firewall users.