Vulnerability-Lookup

GHSA-FWC2-MJ67-GQHQ

Vulnerability from github – Published: 2022-07-19 00:00 – Updated: 2022-07-26 00:00

Details

ShowMyPC 3606 on Windows suffers from a DLL hijack vulnerability. If an attacker overwrites the file %temp%\ShowMyPC-ShowMyPC3606\wodVPN.dll, it will run any malicious code contained in that file. The code will run with normal user privileges unless the user specifically runs ShowMyPC as administrator.

Severity

7.3 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-42923"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-427"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-07-18T00:15:00Z",
    "severity": "HIGH"
  },
  "details": "ShowMyPC 3606 on Windows suffers from a DLL hijack vulnerability. If an attacker overwrites the file %temp%\\ShowMyPC\\-ShowMyPC3606\\wodVPN.dll, it will run any malicious code contained in that file. The code will run with normal user privileges unless the user specifically runs ShowMyPC as administrator.",
  "id": "GHSA-fwc2-mj67-gqhq",
  "modified": "2022-07-26T00:00:29Z",
  "published": "2022-07-19T00:00:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42923"
    },
    {
      "type": "WEB",
      "url": "https://f20.be/cves/showmypc-cve-2021-42923"
    },
    {
      "type": "WEB",
      "url": "http://showmypc.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-42923 (GCVE-0-2021-42923)

Vulnerability from cvelistv5 – Published: 2022-07-17 23:25 – Updated: 2026-07-09 00:15

Summary

ShowMyPC 3606 on Windows suffers from a DLL hijack vulnerability. If an attacker overwrites the file %temp%\ShowMyPC\-ShowMyPC3606\wodVPN.dll, it will run any malicious code contained in that file. The code will run with normal user privileges unless the user specifically runs ShowMyPC as administrator.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://f20.be/cves/showmypc-cve-2021-42923

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2026-07-09T00:15:32.174Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://f20.be/cves/showmypc-cve-2021-42923"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "ShowMyPC 3606 on Windows suffers from a DLL hijack vulnerability. If an attacker overwrites the file %temp%\\ShowMyPC\\-ShowMyPC3606\\wodVPN.dll, it will run any malicious code contained in that file. The code will run with normal user privileges unless the user specifically runs ShowMyPC as administrator."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2026-07-04T23:39:19.381Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://f20.be/cves/showmypc-cve-2021-42923"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2021-42923",
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        },
        "affects": {
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                            "version_value": "n/a"
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        },
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        "problemtype": {
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  "cveMetadata": {
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    "datePublished": "2022-07-17T23:25:15.000Z",
    "dateReserved": "2021-10-25T00:00:00.000Z",
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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.

Action not permitted

GHSA-FWC2-MJ67-GQHQ

CVE-2021-42923 (GCVE-0-2021-42923)

Tags

Sightings

Nomenclature