CMS Made Simple 2.2.5 File Manager unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in CMS Made Simple 2.2.5. This issue affects some unknown processing of the component File Manager. Performing a manipulation results in unrestricted upload. This vulnerability was named CVE-2018-1000094. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in CMS Made Simple 2.2.5 (Content Management System). This affects some unknown processing of the component File Manager. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 02/17/2018. The weakness was presented 03/13/2018 (Website). The advisory is shared at dev.cmsmadesimple.org. This vulnerability is uniquely identified as CVE-2018-1000094 since 03/12/2018. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44976). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: cmsms_upload_rename_rce.rb
MetaSploit Name: CMS Made Simple Authenticated RCE via File Upload/Copy
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Suricata ID: 2025782
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

02/17/2018 🔍
03/12/2018 +23 days 🔍
03/12/2018 +0 days 🔍
03/13/2018 +1 days 🔍
03/13/2018 +0 days 🔍
04/01/2025 +2576 days 🔍

Sourcesinfo

Advisory: dev.cmsmadesimple.org
Status: Not defined

CVE: CVE-2018-1000094 (🔍)
GCVE (CVE): GCVE-0-2018-1000094
GCVE (VulDB): GCVE-100-114393
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/13/2018 07:41
Updated: 04/01/2025 03:05
Changes: 03/13/2018 07:41 (45), 01/12/2020 16:01 (14), 04/01/2025 03:05 (19)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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