CVE-2018-13383

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

29/05/2019

Last modified:

24/10/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): Low

Base Score 3.x

4.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:fortinet:fortiproxy::::::::		1.2.9 (excluding)
cpe:2.3:a:fortinet:fortiproxy:2.0.0:::::::*
cpe:2.3:o:fortinet:fortios::::::::	5.2.0 (including)	5.2.15 (excluding)
cpe:2.3:o:fortinet:fortios::::::::	5.4.0 (including)	5.4.13 (excluding)
cpe:2.3:o:fortinet:fortios::::::::	5.6.0 (including)	5.6.11 (excluding)
cpe:2.3:o:fortinet:fortios::::::::	6.0.0 (including)	6.0.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2018-13383

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools