Unrated severityNVD Advisory· Published Dec 19, 2024· Updated Dec 20, 2024
CVE-2020-12820
CVE-2020-12820
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
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