CVE-2021-22128

4.3 mediumEPSS 1.0%

Medium (4.3) in fortinet fortiproxy. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
Published: 2021-03-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortiproxy

References

https://fortiguard.com/advisory/FG-IR-20-235
https://fortiguard.com/advisory/FG-IR-20-235

Check your stack JSON