AutomationDirect DirectLOGIC prior 2.72 CPU Serial Port cleartext transmission

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

A vulnerability has been found in AutomationDirect DirectLOGIC (Automation Software) and classified as critical. Affected by this vulnerability is an unknown part of the component CPU Serial Port Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. The CWE definition for the vulnerability is CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

AutomationDirect DirectLOGIC is vulnerable to a specifically crafted serial message to the CPU serial port that will cause the PLC to respond with the PLC password in cleartext. This could allow an attacker to access and make unauthorized changes. This issue affects: AutomationDirect DirectLOGIC D0-06 series CPUs D0-06DD1 versions prior to 2.72; D0-06DD2 versions prior to 2.72; D0-06DR versions prior to 2.72; D0-06DA versions prior to 2.72; D0-06AR versions prior to 2.72; D0-06AA versions prior to 2.72; D0-06DD1-D versions prior to 2.72; D0-06DD2-D versions prior to 2.72; D0-06DR-D versions prior to 2.72;

The weakness was shared 09/01/2022 as icsa-22-167-02. It is possible to read the advisory at cisa.gov. This vulnerability is known as CVE-2022-2003 since 06/06/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

Upgrading to version 2.72 eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
ATT&CK: T1040

Local: Yes
Remote: No

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: 🔍

Upgrade: DirectLOGIC 2.72

Timelineinfo

06/06/2022 🔍
09/01/2022 +87 days 🔍
09/01/2022 +0 days 🔍
10/10/2022 +39 days 🔍

Sourcesinfo

Advisory: icsa-22-167-02
Status: Confirmed

CVE: CVE-2022-2003 (🔍)

Entryinfo

Created: 09/01/2022 15:18
Updated: 10/10/2022 15:35
Changes: 09/01/2022 15:18 (51), 10/10/2022 15:35 (11)
Complete: 🔍

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