CVE-2018-13383

Published: May 29, 2019

Modified: Oct 21, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.

Vendor	Product	Versions
Fortinet	Fortinet FortiOS and FortiProxy	affected `FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier, FortiProxy 2.0.0, 1.2.8 and earlier`

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

https://fortiguard.com/advisory/FG-IR-18-388

x_refsource_CONFIRM

https://fortiguard.com/advisory/FG-IR-20-229

x_refsource_CONFIRM

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CVE-2018-13383

Description

Affected Products

CVSS v3.1 Details

References