CVE-2020-12812 — Fortinet FortiOS SSL VPN Improper Authentication Vulnerability
CVE-2020-12812: Fortinet FortiOS SSL VPN Improper Authentication Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Fortinet |
| Product | FortiOS |
| Date added | 2021-11-03 |
| Due date | 2022-05-03 |
| Ransomware campaign use | Known |
Description
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-12812
Weakness behind it
CISA records this vulnerability as an instance of CWE-178, CWE-287. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-12812
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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