Vulnerability in Groupsession
CVE-2021-20874
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.
EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Groupsession
- Japan Total System Co.,ltd. Groupsession Free Edition, Bycloud, Zion — versions GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20874?
- CVE-2021-20874 is a high-severity vulnerability in Groupsession, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.5/10. Published 2021-12-24.
- How severe is CVE-2021-20874?
- High severity. CVSS v3 base score is 7.5 out of 10.