CVE-2019-16151

Description

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS 6.4.1 and below, 6.2.9 and below may allow a remote unauthenticated attacker to either redirect users to malicious websites via a crafted "Host" header or to execute JavaScript code in the victim's browser context. This happens when the FortiGate has web filtering and category override enabled/configured.

Remediation

Solution:

  • Please upgrade to FortiOS version 6.4.2 or above. Please upgrade to FortiOS version 6.2.10 or above.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Fortinet FortiOS
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/advisory/FG-IR-19-301

Frequently Asked Questions

What is the severity of CVE-2019-16151?
CVE-2019-16151 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16151?
To fix CVE-2019-16151: Please upgrade to FortiOS version 6.4.2 or above. Please upgrade to FortiOS version 6.2.10 or above.
Is CVE-2019-16151 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-16151 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-16151?
CVE-2019-16151 affects Fortinet FortiOS.
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