CVE-2020-15940

Name: CVE-2020-15940
Creator: NVD / NIST
Published: 2021-11-02T18:15:07.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2020-15940 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.71%

48.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Forticlient Enterprise Management Server	>= 6.0.0, <= 6.0.8
Fortinet	Forticlient Enterprise Management Server	>= 6.2.0, <= 6.2.9
Fortinet	Forticlient Enterprise Management Server	>= 6.4.0, <= 6.4.1

References

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

Timeline

Published: Nov 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15940?

How severe is CVE-2020-15940?

CVE-2020-15940 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15940?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15940?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST