CVE-2021-42654 Information

Description

SiteServer CMS < V5.1 is affected by an unrestricted upload of a file with dangerous type (getshell) which could be used to execute arbitrary code.

CVSS Vector

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

Reference

https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip https://github.com/siteserver/cms https://github.com/siteserver/cms/issues/3236

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