CVE Vulnerability

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.

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

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

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

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

Published : 2021-07-30 02:15

Updated : 2021-08-06 11:14

NVD link : CVE-2021-20789

Mitre link : CVE-2021-20789

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')