CVE-2021-41019: Missing certificate CN/SAN validation leads to information disclosure
First published: Tue Nov 02 2021(Updated: )
An improper validation of certificate with host mismatch [CWE-297] vulnerability in FortiOS may allow the connection to a malicious LDAP server via options in GUI, leading to disclosure of sensitive information, such as AD credentials.
Credit: psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiOS | >=6.4.0<=6.4.6 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-41019.
What is the title of the vulnerability?
The title of the vulnerability is 'An improper validation of certificate with host mismatch [CWE-297] vulnerability in FortiOS versions...'
What is the severity of CVE-2021-41019?
The severity of CVE-2021-41019 is medium with a severity value of 6.5.
Which software versions are affected by CVE-2021-41019?
FortiOS versions 6.4.6 and below are affected by CVE-2021-41019.
How does CVE-2021-41019 exploit the vulnerability?
CVE-2021-41019 exploits the vulnerability by allowing the connection to a malicious LDAP server via options in GUI, leading to disclosure of sensitive information, such as AD credentials.
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