What is CVE-2021-24012?

CVE-2021-24012 is a medium-severity vulnerability in Fortinet Fortios, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2021-06-02.

How severe is CVE-2021-24012?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Fortinet Fortios

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.

Vulnerability class: Improper Certificate Validation

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

Fortinet Fortios — versions FortiOS 6.4.0 to 6.4.4
Fortinet Fortios

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-24012?: CVE-2021-24012 is a medium-severity vulnerability in Fortinet Fortios, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2021-06-02.
How severe is CVE-2021-24012?: Medium severity. CVSS v3 base score is 6.5 out of 10.