CVE-2021-24012

low-risk
Published 2021-06-02

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.

Do I need to act?

-
0.21% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Fortinet

References (2)

Vendor Advisory https://fortiguard.com/advisory/FG-IR-21-018
Vendor Advisory https://fortiguard.com/advisory/FG-IR-21-018
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal