Fortinet Multiple Products Authentication Bypass Vulnerability

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

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9.8 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

94.43 %

Predictive Probability

Percentile Rank

100.0 th

Documented as more likely to be exploited than 100.0% of known CVEs.

Detection Date

Oct 11, 2022

Remediation Due

Nov 01, 2022

CISA Catalog Active

Threat Analysis

Fortinet FortiOS, FortiProxy, and FortiSwitchManager contain an authentication bypass vulnerability that could allow an unauthenticated attacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

Fortinet

Affected Product

Multiple Products

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-288

External Intelligence

https://www.fortiguard.com/psirt/FG-IR-22-377

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2022-40684