CVE-2017-7739

moderate-risk

Published 2017-11-13

A reflected Cross-site Scripting (XSS) vulnerability in web proxy disclaimer response web pages in Fortinet FortiOS 5.6.0, 5.4.0 to 5.4.5, 5.2.0 to 5.2.11 allows an unauthenticated attacker to inject arbitrary web script or HTML in the context of the victim's browser via sending a maliciously crafted URL to the victim.

Do I need to act?

0.74% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.1/10 Medium

NETWORK / LOW complexity

Affected Products (19)

Fortios

Affected Vendors

Fortinet

References (6)

Third Party Advisory http://www.securityfocus.com/bid/101679

Third Party Advisory http://www.securitytracker.com/id/1039741

Issue Tracking https://fortiguard.com/advisory/FG-IR-17-168

Third Party Advisory http://www.securityfocus.com/bid/101679

Third Party Advisory http://www.securitytracker.com/id/1039741

Issue Tracking https://fortiguard.com/advisory/FG-IR-17-168

/ 100

moderate-risk

Severity 23/34 · High

Exploitability 2/34 · Minimal

Exposure 19/34 · Moderate