This security bulletin contains one medium risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to bypass URL filtration rules.
The vulnerability exists due to an error when processing forward slash (/), asterisk (*) and caret (^) at the end of the hostname inside filtration rules added to the custom URL category list or to an external dynamic list (EDL) in a URL Filtering profile. As a result, unexpected domains can be blocked or allowed, resulting in a potential security issue.
Install updates from vendor's website.Vulnerable software versions
Palo Alto PAN-OS: 8.1 - 8.1.20-h1, 9.0 - 9.0.15, 9.1 - 9.1.11-h3, 10.0.0 - 10.0.7, 10.1.0 - 10.1.2
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?