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CVE-2017-14186

31
FAUCET Score

CVE-2017-14186 is a Cross-site Scripting (XSS) vulnerability affecting Fortinet FortiOS versions 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, and 5.4 and below, specifically within the SSL VPN web portal. This medium-severity vulnerability (CVSS 5.4) allows a remote, authenticated user to inject malicious web scripts or HTML into a victim's browser via the login redir parameter, potentially leading to information disclosure or session hijacking. While there is no evidence of active exploitation, a Nuclei template exists for detection, and there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.0CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
> 5.2.0, <= 5.2.12CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
>= 5.4.0, <= 5.4.6CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
>= 5.6.0, <= 5.6.2CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.72%
Probability of exploitation in next 30 days
EPSS Percentile
88.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2017-14186 · Sep 21, 2022
This CVE's current EPSS score of 0.0372 is in the 99th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / advisory/FG-IR-17-242
Vendor Advisory
securityfocus.com / bid/101955
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039891
Third Party AdvisoryVDB Entry