Schneider Electric U.motion Server Access Control authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Schneider Electric U.motion Server. This vulnerability affects unknown code of the component Access Control. The manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2019-6838. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Schneider Electric U.motion Server (Automation Software) (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality of the component Access Control. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is availability. The summary by CVE is:

An Improper Access Control: CWE-284 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could allow a user with low privileges to delete a critical file.

The weakness was disclosed 09/17/2019 (Website). It is possible to read the advisory at schneider-electric.com. The identification of this vulnerability is CVE-2019-6838 since 01/25/2019. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-141944, VDB-141945, VDB-141946 and VDB-141948 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Authorization
CWE: CWE-863 / CWE-285 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2019 🔍
09/17/2019 +235 days 🔍
09/18/2019 +1 days 🔍
08/29/2020 +346 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-6838 (🔍)
GCVE (CVE): GCVE-0-2019-6838
GCVE (VulDB): GCVE-100-141947
See also: 🔍

Entryinfo

Created: 09/18/2019 11:34
Updated: 08/29/2020 07:25
Changes: 09/18/2019 11:34 (55), 08/29/2020 07:25 (1)
Complete: 🔍
Cache ID: 216::103

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