mySCADA myPRO up to 8.20.0 Firmware Update os command injection

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
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in mySCADA myPRO up to 8.20.0. This impacts an unknown function of the component Firmware Update Handler. Executing a manipulation can lead to os command injection. This vulnerability is tracked as CVE-2021-43984. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in mySCADA myPRO up to 8.20.0 (SCADA Software) and classified as very critical. This vulnerability affects an unknown functionality of the component Firmware Update Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/24/2021 as icsa-21-355-01. The advisory is available at cisa.gov. This vulnerability was named CVE-2021-43984 since 11/17/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/24/2021). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: 🔍

Timelineinfo

11/17/2021 🔍
12/24/2021 +37 days 🔍
12/24/2021 +0 days 🔍
12/24/2021 +0 days 🔍

Sourcesinfo

Advisory: icsa-21-355-01
Status: Confirmed

CVE: CVE-2021-43984 (🔍)
GCVE (CVE): GCVE-0-2021-43984
GCVE (VulDB): GCVE-100-189022

Entryinfo

Created: 12/24/2021 08:09
Changes: 12/24/2021 08:09 (50)
Complete: 🔍
Cache ID: 216::103

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