Vulnerability-Lookup

GHSA-56P5-HJP2-W73Q

Vulnerability from github – Published: 2026-01-27 21:31 – Updated: 2026-01-27 21:31

Details

Acer Global Registration Service 1.0.0.3 contains an unquoted service path vulnerability in its service configuration that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\Program Files (x86)\Acer\Registration\ to inject malicious executables that would run with elevated LocalSystem privileges during service startup.

Severity

7.8 (High)


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

8.5 (High)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2020-36976"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-428"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-27T19:16:10Z",
    "severity": "HIGH"
  },
  "details": "Acer Global Registration Service 1.0.0.3 contains an unquoted service path vulnerability in its service configuration that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\\Program Files (x86)\\Acer\\Registration\\ to inject malicious executables that would run with elevated LocalSystem privileges during service startup.",
  "id": "GHSA-56p5-hjp2-w73q",
  "modified": "2026-01-27T21:31:47Z",
  "published": "2026-01-27T21:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36976"
    },
    {
      "type": "WEB",
      "url": "https://www.acer.com/ac/en/US/content/home"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/49142"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/global-registration-service-gregsvcexe-unquoted-service-path"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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"
    }
  ]
}

CVE-2020-36976 (GCVE-0-2020-36976)

Vulnerability from cvelistv5 – Published: 2026-01-27 18:51 – Updated: 2026-01-29 16:49

Title

Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path

Summary

Severity

8.5 (High)


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

7.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-428 - Unquoted Search Path or Element

Assigner

VulnCheck

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/49142	exploit
https://www.acer.com/ac/en/US/content/home	product
https://www.vulncheck.com/advisories/global-regis…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Acer	Global Registration Service	Affected: 1.0.0.3

Date Public

2020-11-26 00:00

Credits

Emmanuel Lujan

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-36976",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-29T15:49:30.559906Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-29T16:49:04.769Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://www.exploit-db.com/exploits/49142"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Global Registration Service",
          "vendor": "Acer",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Emmanuel Lujan"
        }
      ],
      "datePublic": "2020-11-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Acer Global Registration Service 1.0.0.3 contains an unquoted service path vulnerability in its service configuration that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\\Program Files (x86)\\Acer\\Registration\\ to inject malicious executables that would run with elevated LocalSystem privileges during service startup."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
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            "attackVector": "LOCAL",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "problemTypes": [
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          "descriptions": [
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              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2026-01-27T18:51:03.257Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "ExploitDB-49142",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/49142"
        },
        {
          "name": "Acer Official Homepage",
          "tags": [
            "product"
          ],
          "url": "https://www.acer.com/ac/en/US/content/home"
        },
        {
          "name": "VulnCheck Advisory: Global Registration Service 1.0.0.3 - \u0027GREGsvc.exe\u0027  Unquoted Service Path",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/global-registration-service-gregsvcexe-unquoted-service-path"
        }
      ],
      "title": "Global Registration Service 1.0.0.3 - \u0027GREGsvc.exe\u0027  Unquoted Service Path",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2020-36976",
    "datePublished": "2026-01-27T18:51:03.257Z",
    "dateReserved": "2026-01-27T15:47:07.998Z",
    "dateUpdated": "2026-01-29T16:49:04.769Z",
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-56P5-HJP2-W73Q

CVE-2020-36976 (GCVE-0-2020-36976)

Tags

Sightings

Nomenclature