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CVE-2018-13383

CWE-787

High

70.1

RPS

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.

Source: NVD

Signals

CVSS
4.3
Medium · v3.1
EPSS
33.64%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Jan 2022
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-787
Published
29 May 2019
Last modified 24 Oct 2025

How to read these signals: RPS · EPSS · CISA KEV · Data sources

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Data as of 8 Oct 2026, 05:16 UK time

CVE-2018-13383 · RPS 70.1 · DevSecure Intelligence