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NVD Vulnerability Details :
CVE-2025-64781
Analyzed
More InfoOfficial Page
Source-vultures@jpcert.or.jp
View Known Exploited Vulnerability (KEV) details
Published At-12 Dec, 2025 | 05:16
Updated At-17 Feb, 2026 | 15:14

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.1MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.04.7MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
Vector:
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.0
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CPE Matches
groupsession
groupsession
>>groupsession>>Versions before 5.7.1(exclusive)
cpe:2.3:a:groupsession:groupsession:*:*:*:*:bycloud:*:*:*
groupsession
groupsession
>>groupsession>>Versions before 5.7.1(exclusive)
cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*
groupsession
groupsession
>>groupsession>>Versions before 5.7.1(exclusive)
cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:*
Weaknesses
CWE IDTypeSource
CWE-1188Primaryvultures@jpcert.or.jp
CWE ID: CWE-1188
Type: Primary
Source: vultures@jpcert.or.jp
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://groupsession.jp/info/info-news/security20251208vultures@jpcert.or.jp
Vendor Advisory
https://jvn.jp/en/jp/JVN19940619/vultures@jpcert.or.jp
Third Party Advisory
Hyperlink: https://groupsession.jp/info/info-news/security20251208
Source: vultures@jpcert.or.jp
Resource:
Vendor Advisory
Hyperlink: https://jvn.jp/en/jp/JVN19940619/
Source: vultures@jpcert.or.jp
Resource:
Third Party Advisory
Change History
0Changes found
Details not found