VULNERABILITY INTELLIGENCE

CVE-2021-20789

CVSS score6.1 MEDIUM
EPSS probability0.87%
CISA KEVNot currently listed
Published2021-07-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

Open redirect vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to redirect a user to an arbitrary web site and conduct a phishing attack via a specially crafted URL.

Weakness classification

  • nvd@nist.gov: CWE-601

Primary references