Medium severity · published Nov 29, 2017
CVE-2017-14186
A 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…
5.4
CVSS
3.7%
EPSS
No
On KEV
Description
A 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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
through 5.0; after 5.2.0 through 5.2.12; 5.4.0 through 5.4.6; 5.6.0 through 5.6.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14186
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14186
Third Party Advisory
http://www.securityfocus.com/bid/101955
Third Party Advisory
http://www.securitytracker.com/id/1039891
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-17-242
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