CVE-2021-26608

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.

CVSS v3 8.8 HIGH
CVSS v2.0 7.5 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:handysoft:hshell:1.7.4.5:::::::*
	cpe:2.3:a:handysoft:hshell:2.0.3.5:::::::*
	cpe:2.3:a:handysoft:hshell:4.0.1.6:::::::*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:56

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 8.8
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

Information

Published : 2021-09-09 13:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26608

Mitre link : CVE-2021-26608

CVE.ORG link : CVE-2021-26608

JSON object : View

Products Affected

handysoft

hshell

microsoft

windows

CWE

CWE-353

Missing Support for Integrity Check

CWE-345

Insufficient Verification of Data Authenticity

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