Rockwell Automation Studio 5000 Logix Designer/RSLogix 5000 insufficiently protected credentials

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Rockwell Automation Studio 5000 Logix Designer and RSLogix 5000. This impacts an unknown function. This manipulation causes insufficiently protected credentials. This vulnerability is handled as CVE-2021-22681. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Rockwell Automation Studio 5000 Logix Designer and RSLogix 5000 (Automation Software) (affected version not known). Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a insufficiently protected credentials vulnerability. The CWE definition for the vulnerability is CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/04/2021 as icsa-21-056-03. The advisory is shared at us-cert.cisa.gov. This vulnerability is known as CVE-2021-22681. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/05/2026 with a due date of 03/26/2026:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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

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: 8.6
VulDB Meta Temp Score: 8.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Insufficiently protected credentials
CWE: CWE-522
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

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

01/05/2021 🔍
03/04/2021 +58 days 🔍
03/04/2021 +0 days 🔍
03/05/2026 +1827 days 🔍

Sourcesinfo

Advisory: icsa-21-056-03
Status: Confirmed

CVE: CVE-2021-22681 (🔍)
GCVE (CVE): GCVE-0-2021-22681
GCVE (VulDB): GCVE-100-170641
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/04/2021 10:08
Updated: 03/05/2026 23:01
Changes: 03/04/2021 10:08 (36), 03/06/2021 16:51 (2), 03/14/2021 15:39 (18), 03/05/2026 21:25 (26), 03/05/2026 23:01 (15)
Complete: 🔍
Cache ID: 216::103

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

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