Medium severity · published Nov 2, 2021
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…
6.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
6.4.0 through 6.4.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-41019
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-41019
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-074
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