CVE-2021-20789

Published on: 07/27/2021 12:00:00 AM UTC

Last Modified on: 08/06/2021 11:14:00 AM UTC

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

Certain versions of Groupsession from Groupsession contain the following vulnerability:

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.

  • CVE-2021-20789 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Japan Total System Co.,Ltd. - GroupSession version 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

CVSS3 Score: 6.1 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED LOW LOW NONE

CVSS2 Score: 5.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL NONE

CVE References

Description Tags Link
JVN#86026700: Multiple vulnerabilities in GroupSession jvn.jp
text/xml
URL Logo MISC jvn.jp/en/jp/JVN86026700/index.html
GroupSessionは組織を強化するグループウェア 無料版、エンタープライズ版、クラウド型をラインナップ! groupsession.jp
text/html
URL Logo MISC groupsession.jp/info/info-news/security202107

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationGroupsessionGroupsessionAllAllAllAll
ApplicationGroupsessionGroupsession BycloudAllAllAllAll
ApplicationGroupsessionGroupsession ZionAllAllAllAll
  • cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*:
  • cpe:2.3:a:groupsession:groupsession_bycloud:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:groupsession:groupsession_zion:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-20789 : Open redirect vulnerability in GroupSession GroupSession Free edition from ver2.2.0 to the versio… twitter.com/i/web/status/1… 2021-07-28 00:53:15
Twitter Icon @SecRiskRptSME RT: CVE-2021-20789 Open redirect vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the ver… twitter.com/i/web/status/1… 2021-07-29 07:33:24
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