9.8
CRITICAL
CVE-2018-7300
eQ-3 AG Homematic CCU2 Remote Code Execution
Description

Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

INFO

Published Date :

Feb. 22, 2018, 7:29 p.m.

Last Modified :

April 14, 2020, 3:32 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2018-7300 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Eq-3 homematic_ccu2_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-7300.

URL Resource
http://atomic111.github.io/article/homematic-ccu2-filewrite Third Party Advisory
https://www.exploit-db.com/exploits/44361/ Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-7300 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7300 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 14, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.exploit-db.com/exploits/44361/ No Types Assigned https://www.exploit-db.com/exploits/44361/ Third Party Advisory, VDB Entry
    Changed CPE Configuration AND OR *cpe:2.3:o:eq-3:homematic_central_control_unit_ccu2_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.29.22 OR cpe:2.3:h:eq-3:homematic_central_control_unit_ccu2:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.29.22 OR cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-22 CWE-22
  • CVE Modified by [email protected]

    Apr. 02, 2018

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/44361/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 19, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://atomic111.github.io/article/homematic-ccu2-filewrite No Types Assigned http://atomic111.github.io/article/homematic-ccu2-filewrite Third Party Advisory
    Added CWE CWE-22
    Added CWE CWE-264
    Added CPE Configuration AND OR *cpe:2.3:o:eq-3:homematic_central_control_unit_ccu2_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.29.22 OR cpe:2.3:h:eq-3:homematic_central_control_unit_ccu2:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-7300 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.48 }} 1.68%

score

0.91688

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability