There are proof-of-concept techniques allowing attackers to achieve persistence on Palo Alto Networks firewalls after CVE-2024-3400 has been exploited, the company has confirmed on Monday, but they are “not aware at this time of any malicious attempts to use these persistence techniques in active exploitation of the vulnerability.” “These techniques work on a device that is already compromised with interactive root level command execution,” they added. The evolving situation On April 12, Palo Alto Networks warned about limited attacks against internet-exposed firewalls, likely by a state-backed threat actor, who managed to install backdoors, grab sensitive data, and move laterally through target organizations’ networks.

Source: Help Net Security