Fortinet FortiOS and FortiProxy Improper Authorization

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

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9.1 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

86.10 %

Predictive Probability

Percentile Rank

99.4 th

Documented as more likely to be exploited than 99.4% of known CVEs.

Detection Date

Jan 10, 2022

Remediation Due

Jul 10, 2022

CISA Catalog Active

Threat Analysis

An Improper Authorization vulnerability in Fortinet FortiOS and FortiProxy under SSL VPN web portal allows an unauthenticated attacker to modify the password.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

Fortinet

Affected Product

FortiOS and FortiProxy

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-285

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2018-13382