Users' VPN authentication credentials are unsafely encrypted in Fortinet FortiClient for Windows 5.6.0 and below versions, FortiClient for Mac OSX 5.6.0 and below versions and FortiClient SSLVPN Client for Linux 4.4.2335 and below versions, due to the use of a static encryption key and weak encryption algorithms
Published Apr 26, 2018
7.5
HIGHCVSS 3.0
EPSS 0.45%
Description
Users' VPN authentication credentials are unsafely encrypted in Fortinet FortiClient for Windows 5.6.0 and below versions, FortiClient for Mac OSX 5.6.0 and below versions and FortiClient SSLVPN Client for Linux 4.4.2335 and below versions, due to the use of a static encryption key and weak encryption algorithms.
Affected products
-
- Version 4.4.2335 and below versionsStatusaffectedConstraints-
- Version
-
- Version 5.6.0 and below versionsStatusaffectedConstraints-
- Version
-
- Version 5.6.0 and below versionsStatusaffectedConstraints-
- Version
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. | FortiClient SSLVPN Client for Linux | n/a |
| ||||||
| Fortinet, Inc. | FortiClient for Mac OSX | n/a |
| ||||||
| Fortinet, Inc. | FortiClient for Windows | n/a |
|
Configuration 1
- ≤ 5.6.0
Configuration 2
- ≤ 5.6.0
Configuration 3
- ≤ 4.4.2335
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Oct 24, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 | 0.45% (0.00447) | 36.58th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.45% (0.00447) | 38.28th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00107) | 43.84th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.11% (0.00107) | 43.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00107) | 41.69th | 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 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://fortiguard.com/advisory/FG-IR-17-214 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| https://fortiguard.com/advisory/FG-IR-17-214 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.