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

What is CVE-2019-15705?

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.

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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

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