CVEvulnerability
CVE-2021-26608
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-09-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-345, CWE-353
Description
An arbitrary file download and execution vulnerability was found in the HShell.dll of handysoft Co., Ltd groupware ActiveX module. This issue is due to missing support for integrity check of download URL or downloaded file hash.
Affected configurations
• handysoft hshell 1.7.4.5
• handysoft hshell 2.0.3.5
• handysoft hshell 4.0.1.6
Related
References
- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239 Third Party Advisory
- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36239 Third Party Advisory