How severe is CVE-2017-3129?

CVE-2017-3129 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-3129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3129?

CVE-2017-3129 affects Fortinet Fortiweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3129?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-3129 published?

CVE-2017-3129 was published on 2017-05-27 and last updated on 2026-06-17.

CVE-2017-3129

CVE-2017-3129 is a medium-severity vulnerability in Fortinet Fortiweb with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortiweb
Published: 2017-05-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-3129?: 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.
How severe is CVE-2017-3129?: CVE-2017-3129 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-3129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3129?: CVE-2017-3129 affects Fortinet Fortiweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3129 published?: CVE-2017-3129 was published on 2017-05-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*

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