What is CVE-2019-16156?

CVE-2019-16156 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-12.

How severe is CVE-2019-16156?

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

Is CVE-2019-16156 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Fortinet Fortiweb

CVE-2019-16156

An Improper Neutralization of Input vulnerability in the Anomaly Detection Parameter Name in Fortinet FortiWeb 6.0.5, 6.2.0, and 6.1.1 may allow a remote unauthenticated attacker to perform a Cross Site Scripting attack (XSS).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (58.9th 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 6.0.5, 6.2.0, 6.1.1
Fortinet Fortiweb — versions 6.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-16156?: CVE-2019-16156 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-12.
How severe is CVE-2019-16156?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-16156 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.