Vulnerability Details : CVE-2021-41030
An authentication bypass by capture-replay vulnerability [CWE-294] in FortiClient EMS versions 7.0.1 and below and 6.4.4 and below may allow an unauthenticated attacker to impersonate an existing user by intercepting and re-using valid SAML authentication messages.
Products affected by CVE-2021-41030
- Fortinet » Forticlient Enterprise Management ServerVersions from including (>=) 6.4.0 and up to, including, (<=) 6.4.4cpe:2.3:a:fortinet:forticlient_enterprise_management_server:*:*:*:*:*:*:*:*
- Fortinet » Forticlient Enterprise Management ServerVersions from including (>=) 6.2.0 and up to, including, (<=) 6.2.9cpe:2.3:a:fortinet:forticlient_enterprise_management_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:forticlient_enterprise_management_server:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:forticlient_enterprise_management_server:7.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41030
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41030
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:P/A:N |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
Fortinet, Inc. |
CWE ids for CVE-2021-41030
-
A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-41030
-
https://fortiguard.com/advisory/FG-IR-21-192
FortiGuardPatch;Vendor Advisory
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