CVE-2021-20850 Information

Description

PowerCMS XMLRPC API of PowerCMS 5.19 and earlier PowerCMS 4.49 and earlier PowerCMS 3.295 and earlier and PowerCMS 2 Series (End-of-Life EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors.

CVSS Vector

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

Reference

https://jvn.jp/en/jp/JVN17645965/index.html https://www.powercms.jp/news/release-patch-xmlrpc-api-202110.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8