CVE-2021-20786
Last modified
CVE-2021-20786 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Cross-site request forgery (CSRF) 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 hijack the authentication of administrators via a specially crafted URL.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
Description
Cross-site request forgery (CSRF) 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 hijack the authentication of administrators via a specially crafted URL.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Groupsession | Groupsession | >= 2.20, < 5.1.0 |
| Groupsession | Groupsession Bycloud | >= 3.0.3, < 5.1.0 |
| Groupsession | Groupsession Zion | >= 3.0.3, < 5.1.0 |
References
- https://groupsession.jp/info/info-news/security202107Vendor Advisory
- https://jvn.jp/en/jp/JVN86026700/index.htmlThird Party Advisory
- https://groupsession.jp/info/info-news/security202107Vendor Advisory
- https://jvn.jp/en/jp/JVN86026700/index.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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