VULNERABILITY INTELLIGENCE

CVE-2021-20874

CVSS score7.5 HIGH

EPSS probability1.34%

CISA KEVNot currently listed

Published2021-12-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

Incorrect permission assignment for critical resource 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 access arbitrary files on the server and obtain sensitive information via unspecified vectors.

Weakness classification

nvd@nist.gov: CWE-732

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