CVE-2020-12812
Critical · 9.8 CISA KEV · ransomwareCVSS
9.8
EPSS
45.4%
Published
Jul 24, 2020
CISA due date
May 3, 2022
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-86472 fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv. CWE-178
- CVE-2026-87876 Two case-insensitive comparisons on request-derived usernames outside the main… CWE-178
- CVE-2026-84428 fastify versions before 5.12.2 implement the case-insensitive nature of HTTP header names… CWE-178
- CVE-2026-84303 gRPC-Go is the Go language implementation of gRPC. CWE-178
- CVE-2026-83612 xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and… CWE-178
- CVE-2026-73270 Improper Handling of Case Sensitivity vulnerability in Erlang/OTP inets httpd allows a… CWE-178
- CVE-2026-82726 Permissive Regular Expression vulnerability in ash-project ash_phoenix lets a remote… CWE-178
- CVE-2026-78959 Improper handling of case sensitivity in FileSystem in Google Chrome prior to… CWE-178