fkie_nvd - fkie_cve-2020-36603

FKIE_CVE-2020-36603

Vulnerability from fkie_nvd - Published: 2022-09-14 22:15 - Updated: 2025-06-04 15:15

Severity ?

6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Summary

The HoYoVerse (formerly miHoYo) Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be installed by a user with administrative privileges.

References

URL	Tags
cve@mitre.org	https://github.com/kagurazakasanae/Mhyprot2DrvControl	Third Party Advisory
cve@mitre.org	https://github.com/kkent030315/evil-mhyprot-cli	Third Party Advisory
cve@mitre.org	https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html	Exploit, Third Party Advisory
cve@mitre.org	https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html	Exploit, Third Party Advisory
cve@mitre.org	https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims	Exploit, Press/Media Coverage, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/kagurazakasanae/Mhyprot2DrvControl	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/kkent030315/evil-mhyprot-cli	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims	Exploit, Press/Media Coverage, Third Party Advisory

Impacted products

	Vendor	Product	Version
	hoyoverse	mhyprot2	1.0.0.0

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hoyoverse:mhyprot2:1.0.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "EBE1B8A0-3734-461D-8626-9AD1E353A06E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The HoYoVerse (formerly miHoYo) Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be installed by a user with administrative privileges."
    },
    {
      "lang": "es",
      "value": "El controlador anti trampas HoYoVerse (anteriormente miHoYo) Genshin Impact mhyprot2.sys versi\u00f3n 1.0.0.0, no restringe apropiadamente las llamadas a funciones no privilegiadas, lo que permite a usuarios locales no privilegiados ejecutar c\u00f3digo arbitrario con privilegios SYSTEM en sistemas Microsoft Windows. El controlador mhyprot2.sys debe ser instalado primero por un usuario con privilegios administrativos"
    }
  ],
  "id": "CVE-2020-36603",
  "lastModified": "2025-06-04T15:15:21.917",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.6,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.6,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2022-09-14T22:15:11.177",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/kagurazakasanae/Mhyprot2DrvControl"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/kkent030315/evil-mhyprot-cli"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Press/Media Coverage",
        "Third Party Advisory"
      ],
      "url": "https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/kagurazakasanae/Mhyprot2DrvControl"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/kkent030315/evil-mhyprot-cli"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Press/Media Coverage",
        "Third Party Advisory"
      ],
      "url": "https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2020-36603 (GCVE-0-2020-36603)

Vulnerability from cvelistv5 – Published: 2022-09-14 21:33 – Updated: 2025-06-04 14:59

Summary

Severity ?

6.5 (Medium)


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

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/kkent030315/evil-mhyprot-cli	x_refsource_MISC
	https://www.trendmicro.com/en_us/research/22/h/ra…	x_refsource_MISC
	https://www.vice.com/en/article/y3p35w/hackers-ar…	x_refsource_MISC
	https://github.com/kagurazakasanae/Mhyprot2DrvControl	x_refsource_MISC
	https://web.archive.org/web/20211204031301/https:…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:30:08.389Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/kkent030315/evil-mhyprot-cli"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/kagurazakasanae/Mhyprot2DrvControl"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-36603",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-04T14:59:27.388778Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-269",
                "description": "CWE-269 Improper Privilege Management",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-04T14:59:38.784Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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          "url": "https://github.com/kkent030315/evil-mhyprot-cli"
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          "url": "https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html"
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        },
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        },
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          ],
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      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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      },
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  "cveMetadata": {
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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

FKIE_CVE-2020-36603

CVE-2020-36603 (GCVE-0-2020-36603)

Tags

Sightings

Nomenclature