GE Communicator up to 4.0 Scheduled Script access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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A vulnerability was found in GE Communicator up to 4.0 and classified as critical. This issue affects an unknown code of the component Scheduled Script Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

GE Communicator, all versions prior to 4.0.517, has a service running with system privileges that may allow an unprivileged user to perform certain administrative actions, which may allow the execution of scheduled scripts with system administrator privileges. This service is inaccessible to attackers if Windows default firewall settings are used by the end user.

The bug was discovered 05/02/2019. The weakness was disclosed 05/09/2019. The identification of this vulnerability is CVE-2019-6544 since 01/22/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.0.517 eliminates this vulnerability.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 5.6
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Communicator 4.0.517


01/22/2019 🔍
05/02/2019 +100 days 🔍
05/09/2019 +7 days 🔍
05/10/2019 +1 days 🔍
09/15/2023 +1589 days 🔍



Status: Not defined

CVE: CVE-2019-6544 (🔍)


Created: 05/10/2019 06:44 AM
Updated: 09/15/2023 11:32 AM
Changes: 05/10/2019 06:44 AM (56), 06/08/2020 04:09 PM (1), 09/15/2023 11:32 AM (4)
Complete: 🔍
Cache ID: 100:85B:40


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