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NVD Vulnerability Details :
CVE-2025-61950
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 | 15:43

In GroupSession, a Circular notice can be created with its memo field non-editable, but the authorization check is improperly implemented. With some crafted request, a logged-in user may alter the memo field. The affected products and versions are GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.

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
Secondary4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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
Secondary3.04.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CPE Matches
groupsession
groupsession
>>groupsession>>Versions before 5.3.0(exclusive)
cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*
groupsession
groupsession
>>groupsession>>Versions before 5.3.2(exclusive)
cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:*
groupsession
groupsession
>>groupsession>>Versions before 5.3.3(exclusive)
cpe:2.3:a:groupsession:groupsession:*:*:*:*:bycloud:*:*:*
Weaknesses
CWE IDTypeSource
CWE-639Primaryvultures@jpcert.or.jp
CWE ID: CWE-639
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