What is CVE-2021-43080?

CVE-2021-43080 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2022-09-06.

How severe is CVE-2021-43080?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Fortinet Fortios

CVE-2021-43080

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.2.0, version 6.4.0 through 6.4.9, version 7.0.0 through 7.0.5 may allow an authenticated attacker to perform a stored cross site scripting (XSS) attack through the URI parameter via the Threat Feed IP address section of the Security Fabric External connectors.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (29.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Fortinet Fortios — versions FortiOS 7.2.0, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 7.0.0, 6.4.9, 6.4.8, 6.4.7, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0
Fortinet Fortios — versions 7.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43080?: CVE-2021-43080 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2022-09-06.
How severe is CVE-2021-43080?: Medium severity. CVSS v3 base score is 4.6 out of 10.