KrcertCVELIST:CVE-2021-26608CVE-2021-26608 handysoft groupware arbitrary file download and execution vulnerability
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.1%
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.
CNA Affected
[
{
"platforms": [
"Windows"
],
"product": "HShell.dll",
"vendor": "handysoft",
"versions": [
{
"status": "affected",
"version": "1.7.4.5"
},
{
"status": "affected",
"version": "2.0.3.5"
},
{
"status": "affected",
"version": "4.0.1.6"
}
]
}
]Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.1%