How severe is CVE-2017-3126?

CVE-2017-3126 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-2017-3126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3126?

CVE-2017-3126 primarily affects Fortinet Fortianalyzer Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3126?

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

When was CVE-2017-3126 published?

CVE-2017-3126 was published on 2017-05-27 and last updated on 2026-06-17.

CVE-2017-3126

CVE-2017-3126 is a medium-severity vulnerability in Fortinet Fortianalyzer Firmware 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Fortinet Fortianalyzer Firmware
Published: 2017-05-27
Last modified: 2026-06-17

Description

An Open Redirect vulnerability in Fortinet FortiAnalyzer 5.4.0 through 5.4.2 and FortiManager 5.4.0 through 5.4.2 allows attacker to execute unauthorized code or commands via the next parameter.

Frequently asked questions

What is CVE-2017-3126?: An Open Redirect vulnerability in Fortinet FortiAnalyzer 5.4.0 through 5.4.2 and FortiManager 5.4.0 through 5.4.2 allows attacker to execute unauthorized code or commands via the next parameter.
How severe is CVE-2017-3126?: CVE-2017-3126 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-2017-3126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3126?: CVE-2017-3126 primarily affects Fortinet Fortianalyzer Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3126 published?: CVE-2017-3126 was published on 2017-05-27 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:fortinet:fortianalyzer_firmware:5.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer_firmware:5.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer_firmware:5.4.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.4.2:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortianalyzer Firmware

CVE-2013-6826 — Medium (CVSS 6.8): cgi-bin/module//sysmanager/admin/SYSAdminUserDialog in Fortinet FortiAnalyzer before 5.0.5 does not properly validate…
CVE-2017-17541 — Medium (CVSS 6.1): A Cross-site Scripting (XSS) vulnerability in Fortinet FortiManager 6.0.0, 5.6.4 and below versions, FortiAnalyzer…
CVE-2016-3195 — Medium (CVSS 6.1): Cross-site scripting (XSS) vulnerability in the Web-UI in Fortinet FortiManager 5.x before 5.0.12 and 5.2.x before…
CVE-2016-3194 — Medium (CVSS 6.1): Cross-site scripting (XSS) vulnerability in the address added page in Fortinet FortiManager 5.x before 5.0.12 and 5.2.x…
CVE-2015-7363 — Medium (CVSS 5.4): Cross-site scripting (XSS) vulnerability in the advanced settings page in Fortinet FortiManager 5.x before 5.0.12 and…
CVE-2016-3193 — Medium (CVSS 5.4): Cross-site scripting (XSS) vulnerability in the appliance web-application in Fortinet FortiManager 5.x before 5.0.12,…

All CVEs affecting Fortinet Fortianalyzer Firmware →

Other CWE-601 (Open Redirect) vulnerabilities

CVE-2018-3774 — Critical (CVSS 10.0): Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open…
CVE-2019-25282 — Critical (CVSS 9.8): V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to…
CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

Browse all CWE-601 (Open Redirect) vulnerabilities →