CVE-2017-7738 — An Information Disclosure vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.5, 5.2 and below versions allow an admin user with super_admin privileges to view the current SSL VPN web portal session info which may contains user credentials through the fnsysctl CLI command

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HIGH

An Information Disclosure vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.5, 5.2 and below versions allow an admin user with super_admin privileges to view the current SSL VPN web portal session info which may contains user credentials through the fnsysctl CLI command

Published Dec 13, 2017

7.2

HIGH

CVSS 3.0

EPSS 1.45%

Description

An Information Disclosure vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.5, 5.2 and below versions allow an admin user with super_admin privileges to view the current SSL VPN web portal session info which may contains user credentials through the fnsysctl CLI command.

Affected products

Vendor Fortinet, Inc. Product FortiOS Default
n/a
- Version
  5.2 and below
  Status
  affected
  Constraints
  -
- Version
  5.4.0 to 5.4.5
  Status
  affected
  Constraints
  -
- Version
  5.6.0 to 5.6.2
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Fortinet, Inc.

FortiOS

n/a

Version	Status	Constraints
5.2 and below	affected	-
5.4.0 to 5.4.5	affected	-
5.6.0 to 5.6.2	affected	-

Remediation

No remediation recorded yet.

Metrics

1.45% 0.01452

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01452

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.45% (0.01452)	72.46th	v5 (v2026.06.15)
Sep 20, 2026	1.45% (0.01452)	72.24th	v5 (v2026.06.15)
Jul 20, 2024	0.07% (0.00075)	32.60th	v3 (v2023.03.01)
Jun 20, 2024	0.07% (0.00075)	32.26th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00075)	30.23th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.66% (0.00663)	18.75th	v5 (v2026.06.15)
Apr 14, 2021	0.66% (0.00663)	0.00th	v1

Weaknesses (1)

CWE-200

Exposure of Sensitive Information

References (2)

http://www.securityfocus.com/bid/102151
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://fortiguard.com/advisory/FG-IR-17-172
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/102151		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://fortiguard.com/advisory/FG-IR-17-172		x_refsource_CONFIRMVendor Advisory