CVE-2021-20875 - CVE House

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Status published Medium CVE-2021-20875

Open redirect vulnerability in GroupSession Free edition ver5.1.1 and earlier,...

6.1 CVSS

Vulnerability Description

Open redirect vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks by having a user to access a specially crafted URL.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from Japan Total System Co.,Ltd.

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In GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior...

SQL Injection vulnerability exists in GroupSession Free edition prior to...

GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to...

Affected Vendor

Japan Total System Co.,Ltd.

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Affected Software

GroupSession Free edition, GroupSession byCloud, GroupSession ZION

Vulnerable Versions:

GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier

Timeline

Official Publish: December 24th, 2021

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.