CVE-2020-12820
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.
| Software | From | Fixed in |
|---|---|---|
| fortinet / fortios | 6.0.0 | 6.0.11 |
| fortinet / fortios | - | 5.6.13 |
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