CVE-2020-7810: HandySoft ActiveX File Download and Execution Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-08-07 · updated 2026-06-17
Weakness: CWE-353

Description

hslogin2.dll ActiveX Control in Groupware contains a vulnerability that could allow remote files to be downloaded and executed by setting the arguments to the activex method. This is due to a lack of integrity verification of the policy files referenced in the update process, and a remote attacker could induce a user to crafted web page, causing damage such as malicious code infection.

Affected products

Handysoft, Inc. hslogin2.dll: through 6.7.8.4; from 7.0.0 through 7.3.4

References

http://www.handysoft.co.kr/en/
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35551
http://www.handysoft.co.kr/en/
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35551

Get alerted when CVE-2020-7810 or the next vulnerability affects your stack