CVE-2021-20789

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 v3 6.1 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://groupsession.jp/info/info-news/security202107	Vendor Advisory
https://jvn.jp/en/jp/JVN86026700/index.html	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:groupsession:groupsession:::::free:::*
	cpe:2.3:a:groupsession:groupsession_bycloud::::::::
	cpe:2.3:a:groupsession:groupsession_zion::::::::

History

No history.

Information

Published : 2021-07-30 14:15

Updated : 2021-08-06 11:14

NVD link : CVE-2021-20789

Mitre link : CVE-2021-20789

CVE.ORG link : CVE-2021-20789

JSON object : View

Products Affected

groupsession

groupsession_zion
groupsession
groupsession_bycloud

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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