CVE-2020-12812

KEV
Published: Lug 24, 2020 Last Modified: Ott 24, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,4502
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

178

Improper Handling of Case Sensitivity

Incomplete
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism
Applicable Platforms
Operating Systems: Windows, macOS
View CWE Details
287

Improper Authentication

Draft
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control
Potential Impacts:
Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
View CWE Details
Operating System

Fortios by Fortinet

cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fortios by Fortinet

Version Range Affected
To 6.0.10 (exclusive)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fortios by Fortinet

Version Range Affected
From 6.2.0 (inclusive)
To 6.2.4 (exclusive)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020…
https://fortiguard.com/psirt/FG-IR-19-283
https://fortiguard.com/psirt/FG-IR-19-283