CVE-2017-3133
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows...
CVE-2017-3133 is a medium vulnerability (CVSS 6.1) in Fortinet Fortios, published September 12, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 10.7%, the 95th percentile. No source names a fixed version.
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.
- Record
CVE-2017-3133- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.
- Record
CVE-2017-3133- Updated
- 2026-11-02
EUVDEUVD-2017-12274 No score
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.
- Record
EUVD-2017-12274- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mcpm-3f4m-4gc6
6.1
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows...
A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.
- Record
GHSA-mcpm-3f4m-4gc6- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Fortinet FortiOS < 5.6.0 - Cross-Site Scripting | 2017-07-28 |
| Nuclei | Fortinet FortiOS < 5.6.0 - Cross-Site Scripting |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, products | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD |