CVE-2021-20875

MEDIUM

GroupSession Free/Z/ByCloud <5.1.1 - Open Redirect

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://jvn.jp/en/jp/JVN79798166/index.html

Scores

CVSS v3 6.1
EPSS 0.0082
EPSS Percentile 52.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-601
Status published
Products (1)
groupsession/groupsession < 5.1.1 (3 CPE variants)
Published Dec 24, 2021
Tracked Since Feb 18, 2026