SOURCE FACT
Fortinet · FortiOS and FortiProxy SSL-VPN
Fortinet FortiOS and FortiProxy SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute code or commands via specifically crafted requests.
Required action
Apply updates per vendor instructions.
CISA notes
https://www.fortiguard.com/psirt/FG-IR-23-097; https://nvd.nist.gov/vuln/detail/CVE-2023-27997
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