Zero-Day Exploits Surge in 2023: Cisco and Fortinet Under Fire

Nov 15, 2024 | In 2023, attackers increasingly targeted zero-day vulnerabilities, leveraging flaws in Citrix, Cisco, and Fortinet products to breach enterprise networks. A report from the Five Eyes alliance revealed that over half of the top vulnerabilities exploited last year were zero-day flaws, up significantly from 2022.

High-profile vulnerabilities like Citrix’s CVE-2023-3519 and Fortinet’s CVE-2023-27997 enabled remote code execution, posing critical risks. Experts emphasize the importance of patch management and defense-in-depth strategies to counteract these escalating threats.

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