Home / Vulnerabilities / CVE-2018-13383
MEDIUM SEVERITY Ransomware Linked
CVE-2018-13383 Fortinet · FortiOS and FortiProxy

Fortinet FortiOS and FortiProxy Out-of-bounds Write

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

MEDIUM
4.3 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Exploitation Likelihood

EPSS Prediction

1.31 %
Predictive Probability
Percentile Rank
79.5 th

Documented as more likely to be exploited than 79.5% of known CVEs.

Detection Date

Jan 10, 2022

Remediation Due

Jul 10, 2022

CISA Catalog Active

Threat Analysis

A heap buffer overflow in Fortinet FortiOS and FortiProxy may cause the SSL VPN web service termination for logged in users.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2018-13383