CVE-2021-20874 Information

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.

CVSS Vector

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

Reference

https://groupsession.jp/info/info-news/security20211220 https://jvn.jp/en/jp/JVN79798166/index.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5