Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .4934 98.8 YES
AFFECTED Product Versions Fixed Fortinet FortiOS FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below – —
TIMELINE May 12 Reserved by fortinet Nov 3 Added to CISA KEV, remediation due 2022-05-03 Nov 3 Published (CNA: fortinet)
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.
| Date | Event | Detail |
|---|---|---|
| May 12, 2020 | Reserved | Reserved by fortinet |
| November 3, 2021 | KEV ADDED | Added to CISA KEV, remediation due 2022-05-03 |
| November 3, 2021 | Published | Published (CNA: fortinet) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | Fortinet FortiOS | — | FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below | — |
Authoritative record: CVE-2020-12812 at cve.org
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-12812 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.