CVE-2025-64781: Japan Total System Co.,Ltd. GroupSession Free edition vulnerability
Japan Total System Co.,Ltd. · GroupSession Free edition
Affected: Japan Total System Co.,Ltd. GroupSession Free edition · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 13% of scored CVEs
DescriptionCVE.org
In GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1, "External page display restriction" is set to "Do not limit" in the initial configuration. With this configuration, the user may be redirected to an arbitrary website when accessing a specially crafted URL.
Affected products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Japan Total System Co.,Ltd. · GroupSession Free editionprior to ver5.7.1
- Japan Total System Co.,Ltd. · GroupSession byCloudprior to ver5.7.1
- Japan Total System Co.,Ltd. · GroupSession ZIONprior to ver5.7.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Initialization of a Resource with an Insecure Default · Misconfiguration and Insecure Design
- Published
- December 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-64781 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.