CVE-2019-10121
eQ-3 HomeMatic CCU2 Authentication Bypass
Description
eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via the user authentication dialogue, aka HMCCU-153. This leads to automatic login as admin.
INFO
Published Date :
July 10, 2019, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 4:18 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2019-10121
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.
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-2019-10121.
| URL | Resource |
|---|---|
| https://os-s.de/advisories/OSS-2018-01.pdf | Broken Link |
| https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf | Release Notes Vendor Advisory |
| https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf | Release Notes Vendor Advisory |
| https://os-s.de/advisories/OSS-2018-01.pdf | Broken Link |
| https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf | Release Notes Vendor Advisory |
| https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf | Release Notes Vendor Advisory |
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-2019-10121 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-10121 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 -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-285 CWE-306 -
Initial Analysis by [email protected]
Jul. 17, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://os-s.de/advisories/OSS-2018-01.pdf No Types Assigned https://os-s.de/advisories/OSS-2018-01.pdf Broken Link Changed Reference Type https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf No Types Assigned https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf Release Notes, Vendor Advisory Changed Reference Type https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf No Types Assigned https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf Release Notes, Vendor Advisory Added CWE CWE-285 Added CPE Configuration AND OR *cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.43.15 OR cpe:2.3:h:eq-3:ccu3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:eq-3:ccu2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.41.8 OR cpe:2.3:h:eq-3:ccu2:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-10121 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-10121
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.60 }} 0.10%
score
0.78578
percentile