Bosch Smart Home Controller up to 9.8 JSON-RPC Interface access control

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Bosch Smart Home Controller up to 9.8. This affects an unknown part of the component JSON-RPC Interface. Performing a manipulation results in access control. This vulnerability is reported as CVE-2019-11895. The attacker must have access to the local network to execute the attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Bosch Smart Home Controller up to 9.8. This affects some unknown processing of the component JSON-RPC Interface. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on availability. The summary by CVE is:

A potential improper access control vulnerability exists in the JSON-RPC interface of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in a successful denial of service of the SHC and connected sensors and actuators. In order to exploit the vulnerability, the adversary needs to have successfully paired an app or service, which requires user interaction.

The weakness was disclosed 05/29/2019 (Website). It is possible to read the advisory at psirt.bosch.com. This vulnerability is uniquely identified as CVE-2019-11895 since 05/13/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 9.8.905 eliminates this vulnerability.

The entries VDB-135683, VDB-135684, VDB-135685 and VDB-135686 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Robert Bosch GmbH): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: 🔍

Upgrade: Smart Home Controller 9.8.905

Timelineinfo

05/13/2019 🔍
05/29/2019 +16 days 🔍
05/30/2019 +1 days 🔍
09/25/2023 +1579 days 🔍

Sourcesinfo

Advisory: psirt.bosch.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-11895 (🔍)
GCVE (CVE): GCVE-0-2019-11895
GCVE (VulDB): GCVE-100-135687
See also: 🔍

Entryinfo

Created: 05/30/2019 08:59
Updated: 09/25/2023 07:58
Changes: 05/30/2019 08:59 (57), 06/17/2020 07:13 (1), 09/25/2023 07:58 (14)
Complete: 🔍
Cache ID: 216::103

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