VULNERABILITY INTELLIGENCE
CVE-2021-20786
CVSS score4.3 MEDIUM
EPSS probability0.45%
CISA KEVNot currently listed
Published2021-07-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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.
Weakness classification
- nvd@nist.gov: CWE-352
Primary references
- vultures@jpcert.or.jp — Vendor Advisory
- vultures@jpcert.or.jp — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory