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Under non-default configuration, a stack-based buffer overflow in FortiOS version 6.0.10 and below, version 5.6.12 and below may allow a remote attacker authenticated to the SSL VPN to crash the FortiClient NAC daemon (fcnacd) and potentially execute arbitrary code via requesting a large FortiClient file name. We are not aware of proof of concept code successfully achieving the latter.
Reserved 2020-05-12 | Published 2024-12-19 | Updated 2024-12-20 | Assigner fortinetExecute unauthorized code or commands
fortiguard.fortinet.com/psirt/FG-IR-20-083
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