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CVE-2016-8495

25
FAUCET Score

CVE-2016-8495 is an improper certificate validation vulnerability affecting Fortinet FortiManager firmware versions 5.0.6 through 5.2.7 and 5.4.0 through 5.4.1. This high-severity vulnerability (CVSS 7.4) allows a remote attacker to spoof a trusted entity through a man-in-the-middle (MITM) attack, leveraging the Fortisandbox devices probing feature, potentially leading to high confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.3CPE matchmatch criteria
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.3:*:*:*:*:*:*:*
5.0.4CPE matchmatch criteria
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.4:*:*:*:*:*:*:*
5.0.5CPE matchmatch criteria
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.5:*:*:*:*:*:*:*
5.0.6CPE matchmatch criteria
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.6:*:*:*:*:*:*:*
5.0.7CPE matchmatch criteria
cpe:2.3:o:fortinet:fortimanager_firmware:5.0.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 22nd percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / advisory/FG-IR-16-055
Vendor Advisory
securityfocus.com / bid/96157
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037805