CVE-2021-20875

Open redirect vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks by having a user to access a specially crafted URL.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
jpcertCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
groupsessiongroupsession
𝑥
≤ 5.1.1
groupsessiongroupsession
𝑥
≤ 5.1.1
groupsessiongroupsession
𝑥
≤ 5.1.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://groupsession.jp/info/info-news/security20211220
https://jvn.jp/en/jp/JVN79798166/index.html
https://groupsession.jp/info/info-news/security20211220
https://jvn.jp/en/jp/JVN79798166/index.html