Vulnerability-Lookup

GSD-2020-21005

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

WellCMS 2.0 beta3 is vulnerable to File Upload. A user can log in to the CMS background and upload a picture. Because the upload file type is controllable, the user can modify the upload file type to get webshell.

Aliases

CVE-2020-21005

Aliases

CVE-2020-21005

JSON

To clipboard

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  "GSD": {
    "alias": "CVE-2020-21005",
    "description": "WellCMS 2.0 beta3 is vulnerable to File Upload. A user can log in to the CMS background and upload a picture. Because the upload file type is controllable, the user can modify the upload file type to get webshell.",
    "id": "GSD-2020-21005"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2020-21005",
      "modified": "2023-12-13T01:21:45.628942Z",
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      },
      "lastModifiedDate": "2021-06-11T17:04Z",
      "publishedDate": "2021-06-03T14:15Z"
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  }
}

CVE-2020-21005 (GCVE-0-2020-21005)

Vulnerability from cvelistv5 – Published: 2021-06-03 13:54 – Updated: 2024-08-04 14:22

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/Computer2200/-/issues/4	x_refsource_MISC
http://www.wellcms.cn/read-27.html&&	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            ],
            "url": "http://www.wellcms.cn/read-27.html\u0026\u0026"
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        ],
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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.