Is CVE-2017-3129 being actively exploited?

CVE-2017-3129 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2017-3129?

CVE-2017-3129 has a CVSS 3.0 base score of 6.1 (MEDIUM).

CVE-2017-3129

MEDIUM · CVSS 6.1EPSS 0.7%EU EUVD

A Cross-Site Scripting vulnerability in Fortinet FortiWeb versions 5.7.1 and below allows attacker to execute unauthorized code or commands via an improperly sanitized POST parameter in the FortiWeb Site Publisher feature.

Key facts

CVSS score: 6.1 (v3.0)
Severity: MEDIUM
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
EPSS score: 0.7% (53th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2017-12270)
Published: May 27, 2017
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-12270 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.

View on the EU Vulnerability Database

Affected products

fortinet / fortiweb

Certified products that may be affected

3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

FortiWeb 5.6 - Fortinet, Inc. - FIPS 140 3103 - historical
FortiWeb-3000E/4000E - Fortinet, Inc. - FIPS 140 3104 - historical
Fortinet Fortiweb 5.6 - Fortinet, Inc. - Common Criteria 383-4-425 - archived

References

http://www.securityfocus.com/bid/98382(Third Party Advisory, VDB Entry)
https://fortiguard.com/psirt/FG-IR-17-076(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain