CVE-2020-12812

CRITICALCISA KEV

9.8

Description

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.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie7/24/2020

Derniere modification10/24/2025

Sourcekev

Observations honeypot0

CISA KEV

FournisseurFortinet

ProduitFortiOS

Nom vulnerabiliteFortinet FortiOS SSL VPN Improper Authentication Vulnerability

Date ajout KEV2021-11-03

Date limite remediation2022-05-03

Utilise dans ransomwareKnown

Produits affectes

fortinet:fortios

Faiblesses (CWE)

CWE-178CWE-287CWE-287

References

https://fortiguard.com/psirt/FG-IR-19-283(psirt@fortinet.com)

https://fortiguard.com/psirt/FG-IR-19-283(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-12812(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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