All vulnerabilities

Servers and applications

CVE-2021-24012

An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.

Severity
High 7.3
Published
2 Jun 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.4.5
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 6.4.0 before 6.4.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-24012
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-24012