Vulnerability Details : CVE-2021-22128
An improper access control vulnerability in FortiProxy SSL VPN portal 2.0.0, 1.2.9 and below versions may allow an authenticated, remote attacker to access internal service such as the ZebOS Shell on the FortiProxy appliance through the Quick Connection functionality.
Products affected by CVE-2021-22128
- cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiproxy:2.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22128
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22128
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |
2.8
|
4.2
|
Fortinet, Inc. |
References for CVE-2021-22128
-
https://fortiguard.com/advisory/FG-IR-20-235
FortiProxy SSL-VPN Improper Access Control vulnerability through the Quick connection functionality | FortiGuardVendor Advisory
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