C-More HMI EA9 6.52 Service Port 9999 missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in C-More HMI EA9 6.52. This impacts an unknown function of the component Service Port 9999. Performing a manipulation results in missing authentication. This vulnerability is reported as CVE-2020-10920. The attack is possible to be carried out remotely. No exploit exists. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability was found in C-More HMI EA9 6.52 (SCADA Software). It has been classified as critical. This affects some unknown functionality of the component Service Port 9999. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on affected installations of C-MORE HMI EA9 Firmware version 6.52 touch screen panels. Authentication is not required to exploit this vulnerability. The specific flaw exists within the control service, which listens on TCP port 9999 by default. The issue results from the lack of authentication prior to allowing alterations to the system configuration. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-10493.

The weakness was disclosed 07/23/2020 (Website). The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2020-10920 since 03/24/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

It is possible to mitigate the weakness by firewalling tcp/9999.

The entries VDB-158939, VDB-158938, VDB-158936 and VDB-158935 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
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: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

03/24/2020 🔍
07/23/2020 +121 days 🔍
07/24/2020 +1 days 🔍
11/05/2020 +104 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Not defined

CVE: CVE-2020-10920 (🔍)
GCVE (CVE): GCVE-0-2020-10920
GCVE (VulDB): GCVE-100-158937
See also: 🔍

Entryinfo

Created: 07/24/2020 08:58
Updated: 11/05/2020 13:47
Changes: 07/24/2020 08:58 (40), 07/24/2020 09:03 (12), 11/05/2020 13:47 (1)
Complete: 🔍
Cache ID: 216::103

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

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