Vulnerability Details : CVE-2021-24012
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.
Products affected by CVE-2021-24012
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-24012
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-24012
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
7.3
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
3.9
|
3.4
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
2.2
|
3.7
|
Fortinet, Inc. |
CWE ids for CVE-2021-24012
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-24012
-
https://fortiguard.com/advisory/FG-IR-21-018
FortiOS - Improper verification of the user certificate's chain of trust in FortiGate when connecting to SSL-VPN | FortiGuardVendor Advisory
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