Vulnerability Details : CVE-2021-36167
An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows versions 7.0.0 and 6.4.6 and below and 6.2.8 and below may allow an unauthenticated attacker to bypass the webfilter control via modifying the session-id paramater.
Exploit prediction scoring system (EPSS) score for CVE-2021-36167
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 32 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-36167
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
|
4.3
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L |
2.5
|
1.4
|
Fortinet, Inc. |
References for CVE-2021-36167
-
https://fortiguard.com/advisory/FG-IR-20-127
PSIRT Advisories | FortiGuardPatch;Vendor Advisory
Products affected by CVE-2021-36167
- Fortinet » Forticlient » For WindowsVersions from including (>=) 6.4.0 and up to, including, (<=) 6.4.6cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:windows:*:*
- cpe:2.3:a:fortinet:forticlient:6.2.7:*:*:*:*:windows:*:*