#VU50995 Use-after-free in FvDesigner - CVE-2021-22662


Vulnerability identifier: #VU50995

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-22662

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FvDesigner
Other software / Other software solutions

Vendor: Fatek

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can use a specially crafted project file and execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

FvDesigner: 1.5.76


External links
https://ics-cert.us-cert.gov/advisories/icsa-21-056-02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability