XSS in Fortinet Fortiweb

CVE-2021-43063

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Fortinet Fortiweb — versions FortiWeb 6.4.1, 6.4.0, 6.3.15, 6.3.14, 6.3.13, 6.3.12, 6.3.11, 6.3.10, 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0
  • Fortinet Fortiweb — versions 6.4.0, 6.4.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43063?
CVE-2021-43063 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-08.
How severe is CVE-2021-43063?
Medium severity. CVSS v3 base score is 6.1 out of 10.