Security researchers are warning that hackers are actively exploiting a newly discovered vulnerability, tracked as CVE-2024-55591, in Fortinet firewalls for unauthorized access to networks.
Stefan Hostetler confirmed a cluster of tens intrusions linked to CVE-2024-55591, indicating a concerted effort to exploit numerous Fortinet devices in a limited timeframe.
Fortinet has made patches available for the vulnerability, yet hackers have exploited this zero-day flaw since December, prior to the company’s awareness.
This incident follows revelations of exploitation targeting another zero-day flaw in Ivanti VPN servers, showcasing a trend of attackers targeting popular enterprise security products.
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