CVE-2021-20875

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CVSS 3.1

6.1 medium

EPSS

<1%p55

Published

Dec 24, 2021 (Dec 24, 2021)

Modified

Jun 17, 2026

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.

Vendors: groupsession
Products: groupsession
Weakness: CWE-601
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.8%)

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