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CVE-2025-64781

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ed394f6f66792dc88fe97965b2293ea04782eed53e48279e50d7d12e7839ac5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"product":"GroupSession byCloud","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/affected/1

{"product":"GroupSession Free edition","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/affected/0

{"product":"GroupSession ZION","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/affected/2
cvss · 2 assertions

{"metric":{"baseScore":4.7,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/metrics/0/cvssV3_0

{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

3 source assertions
{"product":"GroupSession byCloud","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/affected/1
{"product":"GroupSession Free edition","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/affected/0
{"product":"GroupSession ZION","vendor":"Japan Total System Co.,Ltd.","versions":[{"status":"affected","version":"prior to ver5.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/affected/2

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":4.7,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/metrics/0/cvssV3_0
{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-1188","description":"Initialization of a resource with an insecure default","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://groupsession.jp/info/info-news/security20251208"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/references/0
{"url":"https://jvn.jp/en/jp/JVN19940619/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ccf527d333eb800a70915e7b11f1fe7b09f02a6ebcbf903ea8022a81405074c · sha256:eb13428315afe4fa… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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