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Vulnerability record · CVE-2020-15940 · published 2 November 2021

CVE-2020-15940: Fortinet forticlient enterprise management server cross-site scripting vulnerability

Fortinet · Forticlient Enterprise Management Server

An improper neutralization of input vulnerability [CWE-79] in FortiClientEMS versions 6.4.1 and below and 6.2.9 and below may allow a remote authenticated attacker to inject malicious script/tags via the name parameter of various sections of the server.

5.4 CVSS 3.1 Medium EPSS 0.74% · top 47.4% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An improper neutralization of input vulnerability [CWE-79] in FortiClientEMS versions 6.4.1 and below and 6.2.9 and below may allow a remote authenticated attacker to inject malicious script/tags via the name parameter of various sections of the server.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.com/advisory/FG-IR-20-067 Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-067 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-15940), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.