Is CVE-2021-42752 being actively exploited?

CVE-2021-42752 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2021-42752?

CVE-2021-42752 has a CVSS 3.1 base score of 5.4 (MEDIUM).

CVE-2021-42752

MEDIUM · CVSS 5.4EPSS 0.5%EU EUVD

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiWLM version 8.6.1 and below allows attacker to execute malicious javascript code on victim's host via crafted HTTP requests

Key facts

CVSS score: 5.4 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
EPSS score: 0.5% (44th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2021-29710)
Published: December 8, 2021
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-29710 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.

View on the EU Vulnerability Database

Affected products

fortinet / fortiwlm

Certified products that may be affected

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

FortiWLM Wireless Manager 8.5 - Fortinet, Inc. - Common Criteria CCEVS-VR-11179-2021 - archived
FortiWLM-100D and FortiWLM-1000D - Fortinet, Inc. - FIPS 140 3897 - historical

References

https://fortiguard.com/advisory/FG-IR-21-111(Patch, Vendor Advisory)

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

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