CVE-2017-3133

Fortios vulnerability

CVSS

6.1

EPSS

10.7%

EPSS pct

95th

Exploited

No known

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.

Affected vendor

Fortinet

Affected product

Fortios

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2017-09-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 10.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2017-3133

Confirm whether Fortinet Fortios is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-3133.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-3133

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-3133 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2017-3133?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2017-3133.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM

CVE-2008-2939

Http Server vulnerability

MEDIUM

CVE-2008-3493

Realvnc Windows Client vulnerability

MEDIUM

CVE-2008-3337

Authoritative Server vulnerability