Schneider Electric U.motion Server Access Control unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Schneider Electric U.motion Server. This issue affects some unknown processing of the component Access Control. The manipulation results in unrestricted upload. This vulnerability was named CVE-2019-6839. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Schneider Electric U.motion Server (Automation Software) (affected version not known). Affected is some unknown functionality of the component Access Control. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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 upload a rogue file.

The weakness was presented 09/17/2019 (Website). The advisory is shared for download at schneider-electric.com. This vulnerability is traded as CVE-2019-6839 since 01/25/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

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

See VDB-141944, VDB-141945, VDB-141946 and VDB-141947 for similar entries. Once again VulDB remains the best source 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: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: Unrestricted upload
CWE: CWE-434 / 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: 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-2019-6839 (🔍)
GCVE (CVE): GCVE-0-2019-6839
GCVE (VulDB): GCVE-100-141948
See also: 🔍

Entryinfo

Created: 09/18/2019 11:35
Updated: 08/29/2020 07:38
Changes: 09/18/2019 11:35 (55), 08/29/2020 07:38 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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