CVE-2019-9055

HIGH

Cmsmadesimple Cms Made Simple < 2.2.8 - Insecure Deserialization

Title source: rule

Description

An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.

Exploits (1)

metasploit WORKING POC NORMAL

rubypoc

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/cmsms_object_injection_rce.rb

View Code ZIP pw:eip

References (4)

[Various Sources] https://blog.certimetergroup.com/it/articolo/security/CMS_Made_Simple_deserialization_attack_%28CVE-2019-9055%29

[Release Notes, Vendor Advisory] https://newsletter.cmsmadesimple.org/w/89247Qog4jCRCuRinvhsofwg

[Release Notes, Vendor Advisory] https://www.cmsmadesimple.org/2019/03/Announcing-CMS-Made-Simple-v2.2.10-Spuzzum

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/155322/CMS-Made-Simple-2.2.8-Remote-Code-Execution.html

Scores

CVSS v3 8.8

EPSS 0.3199

EPSS Percentile 96.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-502

Status published

Affected Products (1)

cmsmadesimple/cms_made_simple < 2.2.8

Timeline

Published Mar 26, 2019

Tracked Since Feb 18, 2026