CVE-2025-64781

Summary

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 Software

VendorProductVersion RangeStatus
Japan Total System Co.,Ltd.GroupSession Free editionprior to ver5.7.1affected
Japan Total System Co.,Ltd.GroupSession byCloudprior to ver5.7.1affected
Japan Total System Co.,Ltd.GroupSession ZIONprior to ver5.7.1affected

Weaknesses

  • CWE-1188: Initialization of a resource with an insecure default

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References