Fortinet FortiOS SSL VPN Improper Authentication Vulnerability
Fortinet FortiOS SSL VPN contains an improper authentication vulnerability that may allow a user to login successfully without being prompted for the second factor of authentication (FortiToken) if they change the case in their username.
- Vendor
- Fortinet
- Product
- FortiOS
- CVSS
- 9.8
- EPSS (exploit probability)
- 49.3%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Published
Fortinet FortiOS SSL VPN contains an improper authentication vulnerability that may allow a user to login successfully without being prompted for the second factor of authentication (FortiToken) if they change the case in their username.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-05-03.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.