Rockwell Automation MicroLogix 1100/MicroLogix 1400/RSLogix 500 risky encryption

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 has been found in Rockwell Automation MicroLogix 1100, MicroLogix 1400 and RSLogix 500 and classified as problematic. This impacts an unknown function. The manipulation leads to risky encryption. This vulnerability is documented as CVE-2020-6984. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Rockwell Automation MicroLogix 1100, MicroLogix 1400 and RSLogix 500 (Automation Software) (the affected version unknown). It has been rated as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a risky encryption vulnerability. Using CWE to declare the problem leads to CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. Impacted is confidentiality. The summary by CVE is:

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic function utilized to protect the password in MicroLogix is discoverable.

The weakness was released 03/16/2020. The identification of this vulnerability is CVE-2020-6984 since 01/14/2020. The exploitation is known to be easy. 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 T1600 for this issue.

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

Entries connected to this vulnerability are available at VDB-151722, VDB-151723 and VDB-151720. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Risky encryption
CWE: CWE-327 / CWE-310
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

01/14/2020 🔍
03/16/2020 +62 days 🔍
03/17/2020 +1 days 🔍
06/03/2026 +2269 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Not defined

CVE: CVE-2020-6984 (🔍)
GCVE (CVE): GCVE-0-2020-6984
GCVE (VulDB): GCVE-100-151721
See also: 🔍

Entryinfo

Created: 03/17/2020 09:54
Updated: 06/03/2026 19:36
Changes: 03/17/2020 09:54 (34), 03/17/2020 09:59 (18), 04/17/2024 08:06 (17), 06/03/2026 19:36 (12)
Complete: 🔍
Cache ID: 216::103

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

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