How severe is CVE-2016-8495?

CVE-2016-8495 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2016-8495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8495?

CVE-2016-8495 primarily affects Fortinet Fortimanager Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8495?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-8495 published?

CVE-2016-8495 was published on 2017-02-13 and last updated on 2026-06-17.

CVE-2016-8495

CVE-2016-8495 is a high-severity vulnerability in Fortinet Fortimanager Firmware with a CVSS 3.x base score of 7.4. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fortinet Fortimanager Firmware
Published: 2017-02-13
Last modified: 2026-06-17

Description

An improper certificate validation vulnerability in Fortinet FortiManager 5.0.6 through 5.2.7 and 5.4.0 through 5.4.1 allows remote attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack via the Fortisandbox devices probing feature.

Frequently asked questions

What is CVE-2016-8495?: An improper certificate validation vulnerability in Fortinet FortiManager 5.0.6 through 5.2.7 and 5.4.0 through 5.4.1 allows remote attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack via the Fortisandbox devices probing feature.
How severe is CVE-2016-8495?: CVE-2016-8495 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2016-8495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8495?: CVE-2016-8495 primarily affects Fortinet Fortimanager Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8495?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-8495 published?: CVE-2016-8495 was published on 2017-02-13 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:o:fortinet:fortimanager_firmware:5.0.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.11:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.2.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager_firmware:5.4.1:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortimanager Firmware

CVE-2015-3616 — Critical (CVSS 9.8): SQL injection vulnerability in Fortinet FortiManager 5.0.x before 5.0.11, 5.2.x before 5.2.2 allows remote attackers to…
CVE-2015-3617 — High (CVSS 7.8): Fortinet FortiManager 5.0 before 5.0.11 and 5.2 before 5.2.2 allow local users to gain privileges via crafted CLI…
CVE-2015-3614 — High (CVSS 7.5): Fortinet FortiManager 5.0.x before 5.0.11, 5.2.x before 5.2.2 allows remote attackers to obtain arbitrary files via…
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-2017-3126 — Medium (CVSS 6.1): An Open Redirect vulnerability in Fortinet FortiAnalyzer 5.4.0 through 5.4.2 and FortiManager 5.4.0 through 5.4.2…
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…

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