CVE-2021-41019 Information disclosure in Fortinet FortiOS

What is CVE-2021-41019?

CVE-2021-41019 is a low-severity vulnerability in Fortinet Fortios, published on 2 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-295

Which versions are affected by CVE-2021-41019?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2021-41019?

No fix has been published for CVE-2021-41019 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-41019 being exploited?

There is no known exploitation of CVE-2021-41019 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hj73-5q9f-3jj4.