Security readout for executives and security teams
Plain-English summary
CVE-2021-30192 is a CODESYS V2 Web-Server issue where a security check was improperly implemented. The public bundle only identifies versions before 1.1.9.20 as affected. No CVSS score, CWE, detailed impact, or active exploitation evidence is provided, so urgency depends on whether this component exists in exposed environments.
Executive priority
Prioritize discovery first. If affected CODESYS V2 Web-Server versions are present, plan remediation through normal operational-change controls. Escalate priority for externally reachable or safety-sensitive deployments, but the public evidence here is insufficient to justify an emergency rating by itself.
Technical view
The CVE record describes an improperly implemented security check in CODESYS V2 Web-Server before 1.1.9.20. The available sources do not describe the failed check, attack prerequisites, security boundary, impact, or exploitability. Treat the version boundary as the main actionable fact and verify details against CODESYS guidance.
Likely exposure
Exposure is likely limited to environments running CODESYS V2 Web-Server versions earlier than 1.1.9.20. The bundle does not identify specific vendors, devices, CPEs, configurations, or internet-exposure conditions, so asset inventory is required before assigning business impact.
Exploitation context
The provided record is not marked in CISA KEV and the source bundle includes no cited evidence of active exploitation, public exploit availability, or exploitation in the wild. Do not assume exploitation status from the CVE title alone.
Researcher notes
The source bundle is sparse: no CVSS, CWE, affected CPEs, exploit narrative, or technical root-cause details are included. Analysis should remain conservative and anchored to the version boundary: CODESYS V2 Web-Server before 1.1.9.20.
Mitigation direction
- Inventory CODESYS V2 Web-Server deployments and record exact versions.
- Upgrade affected instances to 1.1.9.20 or later where applicable.
- Review official CODESYS customer guidance for environment-specific remediation details.
- Reduce unnecessary exposure of affected web-server interfaces during remediation.
Validation and detection
- Confirm whether CODESYS V2 Web-Server is present in production or operational networks.
- Verify each identified instance is version 1.1.9.20 or later.
- Check asset records for embedded or bundled CODESYS components.
- Document any vendor-dependent remediation constraints or maintenance windows.
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.
CVE-2021-30192 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://customers.codesys.com/index.phpCVE reference · x_refsource_MISC
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download=CVE 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.