eQ-3 Homematic CCU2/Homematic CCU3 Session ID session fixiation

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in eQ-3 Homematic CCU2 and Homematic CCU3 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Session ID Handler. This manipulation causes session fixiation. This vulnerability is registered as CVE-2019-10120. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in eQ-3 Homematic CCU2 and Homematic CCU3 (the affected version unknown). Affected by this vulnerability is an unknown part of the component Session ID Handler. The manipulation with an unknown input leads to a session fixiation vulnerability. The CWE definition for the vulnerability is CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

On eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16, automatic login configuration (aka setAutoLogin) can be achieved by continuing to use a session ID after a logout, aka HMCCU-154.

The weakness was published 07/10/2019. This vulnerability is known as CVE-2019-10120 since 03/27/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-137667 and VDB-137666. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Session fixiation
CWE: CWE-384
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/27/2019 🔍
07/10/2019 +105 days 🔍
07/11/2019 +1 days 🔍
10/24/2023 +1566 days 🔍

Sourcesinfo

Advisory: eq-3.de
Status: Not defined

CVE: CVE-2019-10120 (🔍)
GCVE (CVE): GCVE-0-2019-10120
GCVE (VulDB): GCVE-100-137665
See also: 🔍

Entryinfo

Created: 07/11/2019 11:01
Updated: 10/24/2023 10:48
Changes: 07/11/2019 11:01 (37), 07/03/2020 16:23 (17), 10/24/2023 10:48 (4)
Complete: 🔍
Cache ID: 216::103

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

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