Security readout for executives and security teams
Plain-English summary
mySCADA myPRO 8.20.0 and earlier contains a critical command injection flaw. An unauthenticated network attacker may be able to make the server run operating system commands, which could lead to full compromise of affected industrial monitoring systems.
Executive priority
Treat this as urgent for any environment using mySCADA myPRO. The business concern is potential full system compromise of industrial software without authentication. Prioritize asset discovery, exposure reduction, and vendor-confirmed remediation.
Technical view
CVE-2021-23198 is CWE-78 OS command injection in mySCADA myPRO. The CVSS 3.1 score is 10.0 because the issue is network reachable, low complexity, unauthenticated, requires no user interaction, and can affect confidentiality, integrity, and availability.
Likely exposure
Exposure is likely limited to organizations running mySCADA myPRO 8.20.0 or earlier, especially if the application is reachable from untrusted networks or remote access paths. The provided data does not identify specific deployment configurations beyond the affected product and version range.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The risk is still severe because the vulnerability is unauthenticated, network exploitable, and could allow operating system command execution.
Researcher notes
Evidence supports command injection through a password-related parameter, but the bundle does not include exploit details, confirmed exploitation, or a named patch. Avoid assuming all myPRO versions beyond the stated range are affected without vendor confirmation.
Mitigation direction
- Check the CISA advisory and mySCADA guidance for the supported fix or workaround.
- Inventory all mySCADA myPRO instances and prioritize versions 8.20.0 and earlier.
- Remove unnecessary internet or untrusted network exposure for myPRO services.
- Restrict access to trusted management networks while remediation is planned.
- Increase monitoring for unusual myPRO errors, process activity, or service crashes.
Validation and detection
- Confirm whether mySCADA myPRO is deployed and record installed versions.
- Identify whether any myPRO service is reachable from untrusted networks.
- Review vendor or CISA guidance for exact affected builds and remediation status.
- Check logs for suspicious activity around password-related parameters or application errors.
- Validate that compensating network controls cover every affected instance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-23198 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-01CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.