Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-22130 |
CWE-ID | CWE-121 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
FortiProxy Hardware solutions / Routers & switches, VoIP, GSM, etc |
Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU53717
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22130
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in FortiProxy physical appliance CLI. A remote authenticated user can run the `diagnose sys cpuset` with a large cpuset mask value, trigger stack-based buffer overflow and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortiProxy: 1.0.0 - 2.0.1
External linkshttp://www.fortiguard.com/psirt/FG-IR-21-006
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.