CVE-2017-14186

Summary

CVECVE-2017-14186
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-11-29 19:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionA Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4 and below versions under SSL VPN web portal allows a remote user to inject arbitrary web script or HTML in the context of the victim's browser via the login redir parameter. An URL Redirection attack may also be feasible by injecting an external URL via the affected parameter.

Risk And Classification

Primary CVSS: v3.0 5.4 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.029810000 probability, percentile 0.866620000 (date 2026-05-14)

Problem Types: CWE-79 | Cross-site Scripting (XSS), URL Redirection Attack


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary3.5AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:S/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet Inc. FortiOS affected 5.6.0 to 5.6.2 Not specified
CNA Fortinet Inc. FortiOS affected 5.4.0 to 5.4.6 Not specified
CNA Fortinet Inc. FortiOS affected 5.2.0 to 5.2.12 Not specified
CNA Fortinet Inc. FortiOS affected 5.0 and below Not specified

References

ReferenceSourceLinkTags
Fortinet FortiGate/FortiOS SSL-VPN Input Validation Flaw in login redir Parameter Lets Remote Users Conduct Cross-Site Scripting and Open Redirect Attacks - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Fortinet FortiOS CVE-2017-14186 URI Redirection and Cross Site Scripting Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
FortiGate SSL VPN web portal login redir XSS vulnerability | FortiGuard af854a3a-2127-422b-91ae-364da2661108 fortiguard.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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