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Cms Made Simple CVE-2018-1000094

HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2018-03-13 cve@mitre.org
7.2
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK

2 techniques across 2 tactics: Command and Control, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application.

Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.
No patch listed yet 40.5% exploitation probability (EPSS)

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AnalysisAI

CMS Made Simple version 2.2.5 contains a Remote Code Execution vulnerability in File Manager that can result in Allows an authenticated admin that has access to the file manager to execute code on. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. CMS Made Simple version 2.2.5 contains a Remote Code Execution vulnerability in File Manager that can result in Allows an authenticated admin that has access to the file manager to execute code on the server. This attack appear to be exploitable via File upload -> copy to any extension. Affected products include: Cmsmadesimple Cms Made Simple. Version information: version 2.2.5.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

CMS Made Simple version 2.2.5 contains a Remote Code Execution vulnerability in File Manager that can result in Allows an authenticated admin that has access to the file manager to execute code on the server. This attack appear to be exploitable via File upload -> copy to any extension.

Threat Intelligence Overview

EPSS Score
40.5%
Top 2% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 40.5%
Patch available No
Active threat Yes
Deciding rule
HIGH severity + EPSS > 10%
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
High

Priority Score

112
Low Medium High Critical
KEV: 0
EPSS: +41
CVSS: +36
PoC: +20
Weaponized: +15
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:cmsmadesimple:cms_made_simple:2.2.5:*:*:*:*:*:*:*
CVE-2023-36969 HIGH POC
8.8 Jul 06

CMS Made Simple v2.2.17 is vulnerable to Remote Command Execution via the File Upload Function. Rated high severity (CVS

CVE-2019-9055 HIGH POC
8.8 Mar 26

An issue was discovered in CMS Made Simple 2.2.8. Rated high severity (CVSS 8.8), this vulnerability is remotely exploit

CVE-2017-16783 CRITICAL POC
9.8 Nov 10

In CMS Made Simple 2.1.6, there is Server-Side Template Injection via the cntnt01detailtemplate parameter. Rated critica

CVE-2017-6070 CRITICAL POC
9.8 Feb 21

CMS Made Simple version 1.x Form Builder before version 0.8.1.6 allows remote attackers to execute PHP code via the cntn

CVE-2018-10085 CRITICAL POC
9.8 Apr 13

CMS Made Simple (CMSMS) through 2.2.6 allows PHP object injection because of an unserialize call in the _get_data functi

CVE-2018-10081 CRITICAL POC
9.8 Apr 13

CMS Made Simple (CMSMS) through 2.2.6 contains an admin password reset vulnerability because data values are improperly

CVE-2019-9692 MEDIUM POC
6.5 Mar 11

class.showtime2_image.php in CMS Made Simple (CMSMS) before 2.2.10 does not ensure that a watermark file has a standard

CVE-2018-10519 HIGH POC
8.8 Apr 27

CMS Made Simple (CMSMS) 2.2.7 contains a privilege escalation vulnerability from ordinary user to admin user by arrangin

CVE-2018-1000158 HIGH POC
8.8 Apr 18

cmsmadesimple version 2.2.7 contains a Incorrect Access Control vulnerability in the function of send_recovery_email in

CVE-2018-10084 HIGH POC
8.8 Apr 13

CMS Made Simple (CMSMS) through 2.2.6 contains a privilege escalation vulnerability from ordinary user to admin user by

CVE-2018-10031 HIGH POC
8.8 Apr 11

CMS Made Simple (aka CMSMS) 2.2.7 has CSRF in admin/moduleinterface.php. Rated high severity (CVSS 8.8), this vulnerabil

CVE-2018-10030 HIGH POC
8.8 Apr 11

CMS Made Simple (aka CMSMS) 2.2.7 has CSRF in admin/siteprefs.php. Rated high severity (CVSS 8.8), this vulnerability is

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