Vulnerability in Fortinet Fortios

CVE-2021-41019

An improper validation of certificate with host mismatch [CWE-297] vulnerability in FortiOS versions 6.4.6 and below may allow the connection to a malicious LDAP server via options in GUI, leading to disclosure of sensitive information, such as AD credentials.

Vulnerability class: Improper Certificate Validation

EPSS: 0.006 (42.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

  • Fortinet Fortios — versions FortiOS 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1
  • Fortinet Fortios

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-41019?
CVE-2021-41019 is a low-severity vulnerability in Fortinet Fortios, classified under Improper Certificate Validation. CVSS score: 3.5/10. Published 2021-11-02.
How severe is CVE-2021-41019?
Low severity. CVSS v3 base score is 3.5 out of 10.