What is CVE-2019-6697?

CVE-2019-6697 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2025-03-17.

How severe is CVE-2019-6697?

Medium severity. CVSS v3 base score is 5.3 out of 10.

XSS in Fortinet Fortios

CVE-2019-6697

An Improper Neutralization of Input vulnerability affecting FortiGate version 6.2.0 through 6.2.1, 6.0.0 through 6.0.6 in the hostname parameter of a DHCP packet under DHCP monitor page may allow an unauthenticated attacker in the same network as the FortiGate to perform a Stored Cross Site Scripting attack (XSS) by sending a crafted DHCP packet.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Fortinet Fortios — versions 6.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2019-6697?: CVE-2019-6697 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2025-03-17.
How severe is CVE-2019-6697?: Medium severity. CVSS v3 base score is 5.3 out of 10.