Is CVE-2017-7733 being actively exploited?

CVE-2017-7733 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2017-7733?

CVE-2017-7733 has a CVSS 3.0 base score of 6.1 (MEDIUM).

CVE-2017-7733

MEDIUM · CVSS 6.1EPSS 1.3%EU EUVD

A Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 5.4.0 to 5.4.5 and 5.6.0 allows a remote unauthenticated attacker to execute arbitrary javascript code via webUI "Login Disclaimer" redir parameter.

Key facts

CVSS score: 6.1 (v3.0)
Severity: MEDIUM
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
EPSS score: 1.3% (69th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2017-16708)
Published: October 27, 2017
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-16708 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.

View on the EU Vulnerability Database

Affected products

fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

FortiOS 5.6 - Fortinet, Inc. - FIPS 140 3639 - historical

References

http://www.securityfocus.com/bid/101563(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1039677(Third Party Advisory, VDB Entry)
https://fortiguard.com/psirt/FG-IR-17-113(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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