Improper Input Validation in FortiOS SSL VPN Portal
CVE-2019-15705

7.5HIGH

Key Information:

Vendor
Fortinet
Status
Fortigate
Vendor
CVE Published:
27 November 2019

Summary

An improper input validation issue exists in the SSL VPN portal of FortiOS that may lead to service interruptions. Attackers can exploit this vulnerability by sending a specially crafted POST request, potentially allowing an unauthenticated individual to crash the SSL VPN service, resulting in denial of service. Administrators should implement immediate measures to mitigate this vulnerability.

Affected Version(s)

FortiGate FortiOS versions 6.2.1 and below

FortiGate FortiOS versions 6.0.6 and below

References

https://fortiguard.com/advisory/FG-IR-19-236
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.