CVE-2021-20786

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CVSS 3.1

4.3 medium

EPSS

<1%p38

Published

Jul 30, 2021 (Jul 30, 2021)

Modified

Jun 17, 2026

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.

Vendors: groupsession
Products: groupsession, groupsession bycloud, groupsession zion
Weakness: CWE-352
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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