7.3
HIGH
CVE-2019-15849
eQ-3 HomeMatic CCU3 Session Fixation Vulnerability
Description

eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session. The attacker could create SSH logins after a valid session and easily compromise the system.

INFO

Published Date :

Oct. 17, 2019, 2:15 p.m.

Last Modified :

Oct. 22, 2019, 1:23 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2019-15849 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_ccu3_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-2019-15849.

URL Resource
https://noskill1337.github.io/homematic-ccu3-session-fixation Exploit Mitigation Third Party Advisory
https://www.eq-3.com/products/homematic.html 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-2019-15849 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-15849 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
  • Initial Analysis by [email protected]

    Oct. 22, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
    Changed Reference Type https://noskill1337.github.io/homematic-ccu3-session-fixation No Types Assigned https://noskill1337.github.io/homematic-ccu3-session-fixation Exploit, Mitigation, Third Party Advisory
    Changed Reference Type https://www.eq-3.com/products/homematic.html No Types Assigned https://www.eq-3.com/products/homematic.html Vendor Advisory
    Added CWE NIST CWE-384
    Added CPE Configuration AND OR *cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.14.11:*:*:*:*:*:*:* OR cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:*
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-2019-15849 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.

0.08 }} 0.00%

score

0.32528

percentile

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