This indicates an attack attempt to exploit an Information Disclosure Vulnerability in FortiOS.
The vulnerability is due to an error in the vulnerable application when handling a malicious request. An unauthenticated attacker can exploit this to access sensitive information on the affected machine via a crafted request.

affected-products-logoAffected Products

FortiOS 5.6.3 to 5.6.7 with SSL VPN Service enabled
FortiOS 6.0.0 to 6.0.4 with SSL VPN Service enabled

Impact logoImpact

Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.

recomended-action-logoRecommended Actions

Refer to the vendor's advisory for updates:

Telemetry logoTelemetry


IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2021-06-14 18.097 Sig Added
2019-11-13 14.723 Default_action:pass:drop
2019-08-27 14.677