CVE-2021-20671 Information

Description

Invalid file validation on the upload feature in GROWI versions v4.2.2 allows a remote attacker with administrative privilege to overwrite the files on the server which may lead to arbitrary code execution.

CVSS Vector

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

Reference

https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/ https://jvn.jp/en/vu/JVNVU94889258/index.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2