CVE-2020-12812 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 49.3% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-03.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 49.34% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-178 |
| On CISA KEV | yes — remediate by 2022-05-03 |
| Public exploit | none known |
| Published | 2020-07-24 |
| Last modified | 2026-08-12 |
CISA KEV
| Name | Fortinet FortiOS SSL VPN Improper Authentication Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2022-05-03 |
| Vendor / product | Fortinet / FortiOS |
| Ransomware use | known |
Affected (1)
| Vendor | Product |
|---|---|
| fortinet | fortios |
References
→ the Explorer · watch your stack · NVD