CVE-2021-22128

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected software

Vendor	Product	Versions
Fortinet	Fortinet FortiProxy	FortiProxy 2.0.0, 1.2.9 and below

References

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

Timeline

Published: Mar 4, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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