[FortiProxy] Buffer overflow vulnerability due to unsafe sscanf use Fortinet PSIRT Advisories Fortinet PSIRT Contact: Website: https://fortiguard.fortinet.com/faq/psirt-contact FG-IR-21-006 Final 1 1 2021-06-01T00:00:00 Current version 2021-06-01T00:00:00 2021-06-01T00:00:00 A stack-based buffer overflow vulnerability in FortiProxy physical appliance CLI may allow an authenticated, remote attacker to perform a Denial of Service attack by running the diagnose sys cpuset with a large cpuset mask value. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution. Execute unauthorized code or commands FortiProxy versions 1.2.9 and below.FortiProxy versions 2.0.1 and below.FortiProxy versions 1.1.xFortiProxy versions 1.0.x Please upgrade to Fortiproxy version 1.2.10 or above.Please upgrade to Fortiproxy version 2.0.2 or above. Internally discovered and reported by Wilfried Djettchou of Fortinet Product Security team. CVE-2021-22130 6.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:X/RC:X https://fortiguard.fortinet.com/psirt/FG-IR-21-006 [FortiProxy] Buffer overflow vulnerability due to unsafe sscanf use Reference>