What is CVE-2021-43081?

CVE-2021-43081 is a medium-severity vulnerability in Fortinet Fortiproxy, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-05-11.

How severe is CVE-2021-43081?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Fortinet Fortiproxy

CVE-2021-43081

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. and in FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0 web filter override form may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.1th 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 Fortiproxy — versions FortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0.
Fortinet Fortios
Fortinet Fortiproxy

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43081?: CVE-2021-43081 is a medium-severity vulnerability in Fortinet Fortiproxy, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-05-11.
How severe is CVE-2021-43081?: Medium severity. CVSS v3 base score is 6.1 out of 10.