#VU49508 Insecure DLL loading

Published: 2021-01-13 | Updated: 2021-01-13

Vulnerability identifier: #VU49508

Vulnerability risk: High

CVSSv3: 8.1 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20616


Exploitation vector: Network

Exploit availability: No

Vulnerable software: SKYSEA Client View
Client/Desktop applications / Other client software

Vendor: Sky Co., LTD.


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file and execute arbitrary code on victim's system.

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

Vulnerable software versions

SKYSEA Client View: 1.020.05b, 16.001.01g


External links

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