Vulnerability-Lookup

CVE-2017-20211 (GCVE-0-2017-20211)

Vulnerability from cvelistv5 – Published: 2025-11-12 22:05 – Updated: 2026-07-28 01:46

Title

UCanCode E-XD++ Visualization Enterprise Suite Untrusted Pointer Dereference RCE

Summary

UCanCode E-XD++ Visualization Enterprise Suite contains an untrusted pointer dereference vulnerability via the TKDRAWCAD.TKDrawCADCtrl.1 ActiveX control. This is because it exposes a RotateShape method that dereferences a user-supplied pointer without sufficient validation. A crafted input may cause the control to dereference an attacker-controlled pointer, enabling remote code execution in the context of the hosting process. The vulnerability requires user interaction (instantiation of the ActiveX control via a web page or a file).

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-13 16:58 UTC

CWE

CWE-823 - Use of Out-of-range Pointer Offset

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://www.zerodayinitiative.com/advisories/ZDI-…	technical-description
https://www.ucancode.net/	product
https://www.vulncheck.com/advisories/ucancode-e-x…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
UCanCode.Net Software	E-XD++ Visualization Enterprise Suite	Affected: 0 cpe:2.3:a:codesys:visualization:0:::::::*

Credits

rgod Zero Day Initiative (ZDI)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2017-20211

Vulnerability from fkie_nvd - Published: 2025-11-12 22:15 - Updated: 2026-06-17 01:15

Severity

8.6 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://www.ucancode.net/
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/ucancode-e-xd-visualization-enterprise-suite-untrusted-pointer-dereference-rce
	disclosure@vulncheck.com	https://www.zerodayinitiative.com/advisories/ZDI-17-422/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  "affected": [
    {
      "affectedData": [
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          "defaultStatus": "unaffected",
          "modules": [
            "TKDRAWCAD.TKDrawCADCtrl.1 ActiveX control (RotateShape method)"
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    }
  ],
  "id": "CVE-2017-20211",
  "lastModified": "2026-06-17T01:15:25.247",
  "metrics": {
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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}

GHSA-Q7VH-44J8-J22P

Vulnerability from github – Published: 2025-11-13 00:30 – Updated: 2025-11-13 00:30

Details

Severity

8.6 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2017-20211"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-823"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-12T22:15:41Z",
    "severity": "HIGH"
  },
  "details": "UCanCode E-XD++ Visualization Enterprise Suite contains an untrusted pointer dereference vulnerability via the TKDRAWCAD.TKDrawCADCtrl.1 ActiveX control. This is because it exposes a RotateShape method that dereferences a user-supplied pointer without sufficient validation. A crafted input may cause the control to dereference an attacker-controlled pointer, enabling remote code execution in the context of the hosting process. The vulnerability requires user interaction (instantiation of the ActiveX control via a web page or a file).",
  "id": "GHSA-q7vh-44j8-j22p",
  "modified": "2025-11-13T00:30:17Z",
  "published": "2025-11-13T00:30:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-20211"
    },
    {
      "type": "WEB",
      "url": "https://www.ucancode.net"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/ucancode-e-xd-visualization-enterprise-suite-untrusted-pointer-dereference-rce"
    },
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      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-17-422"
    }
  ],
  "schema_version": "1.4.0",
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      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2017-20211 (GCVE-0-2017-20211)

FKIE_CVE-2017-20211

GHSA-Q7VH-44J8-J22P

Tags

Sightings

Nomenclature

Related by attack behaviour