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CVE-2021-20789

Published: Jul 28, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-601
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.9%
Top 45.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-601

Affected Products

groupsessiongroupsession
On-prem
Enterprise Software / collaboration-groupware
groupsession bycloudgroupsession
On-prem
Enterprise Software / collaboration-groupware
groupsession ziongroupsession
On-prem
Enterprise Software / collaboration-groupware
GroupSessionJapan Total System Co.,Ltd.
On-prem
Enterprise Software / collaboration-groupware
groupsessioncommercialJPEnterprise Software
japan total system co.,ltd.commercialJPEnterprise Softwareaka groupsession bycloud, groupsession free edition, groupsession zion

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://groupsession.jp/info/info-news/security202107
groupsession.jp
https://jvn.jp/en/jp/JVN86026700/index.html
jvn.jp

Timeline

Published
Jul 28, 2021
Last Updated
Nov 21, 2024

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