CVE-2026-39454: Incorrect default permissions in Sky Co.,LTD. SKYSEA Client View
SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.
AI Analysis
Technical Summary
SKYSEA Client View and SKYMEC IT Manager products from Sky Co.,LTD. have a vulnerability due to incorrect default permissions on their installation folders. This misconfiguration permits non-administrative users to add or modify files within the installation directory. Exploiting this weakness can result in arbitrary code execution with administrative rights. The issue affects versions up to 21.200.07j. The CVSS 3.0 score is 7.8, indicating a high severity vulnerability. No vendor advisory or patch information is currently available.
Potential Impact
If exploited, this vulnerability allows a non-administrative user to execute arbitrary code with administrative privileges by manipulating files in the installation folder. This can lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the high CVSS score (7.8) with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the installation folder to trusted administrative users only and monitor for unauthorized file changes if possible.
CVE-2026-39454: Incorrect default permissions in Sky Co.,LTD. SKYSEA Client View
Description
SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.
CVSS v3.0
Score 7.8high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
SKYSEA Client View and SKYMEC IT Manager products from Sky Co.,LTD. have a vulnerability due to incorrect default permissions on their installation folders. This misconfiguration permits non-administrative users to add or modify files within the installation directory. Exploiting this weakness can result in arbitrary code execution with administrative rights. The issue affects versions up to 21.200.07j. The CVSS 3.0 score is 7.8, indicating a high severity vulnerability. No vendor advisory or patch information is currently available.
Potential Impact
If exploited, this vulnerability allows a non-administrative user to execute arbitrary code with administrative privileges by manipulating files in the installation folder. This can lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the high CVSS score (7.8) with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the installation folder to trusted administrative users only and monitor for unauthorized file changes if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-04-08T11:15:40.304Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e631a519fe3cd2cdff261e
Added to database: 4/20/2026, 2:01:09 PM
Last enriched: 4/20/2026, 2:16:11 PM
Last updated: 6/3/2026, 4:46:02 PM
Views: 93
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