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Vulnerability Details :

CVE-2020-36603

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-14 Sep, 2022 | 21:33
Updated At-04 Jun, 2025 | 14:59
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:14 Sep, 2022 | 21:33
Updated At:04 Jun, 2025 | 14:59
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/kkent030315/evil-mhyprot-cli
x_refsource_MISC
https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
x_refsource_MISC
https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims
x_refsource_MISC
https://github.com/kagurazakasanae/Mhyprot2DrvControl
x_refsource_MISC
https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
x_refsource_MISC
Hyperlink: https://github.com/kkent030315/evil-mhyprot-cli
Resource:
x_refsource_MISC
Hyperlink: https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
Resource:
x_refsource_MISC
Hyperlink: https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims
Resource:
x_refsource_MISC
Hyperlink: https://github.com/kagurazakasanae/Mhyprot2DrvControl
Resource:
x_refsource_MISC
Hyperlink: https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/kkent030315/evil-mhyprot-cli
x_refsource_MISC
x_transferred
https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
x_refsource_MISC
x_transferred
https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims
x_refsource_MISC
x_transferred
https://github.com/kagurazakasanae/Mhyprot2DrvControl
x_refsource_MISC
x_transferred
https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/kkent030315/evil-mhyprot-cli
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/kagurazakasanae/Mhyprot2DrvControl
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
Resource:
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-269CWE-269 Improper Privilege Management
Type: CWE
CWE ID: CWE-269
Description: CWE-269 Improper Privilege Management
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:14 Sep, 2022 | 22:15
Updated At:04 Jun, 2025 | 15:15

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Secondary3.16.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CPE Matches
hoyoverse
hoyoverse
>>mhyprot2>>1.0.0.0
cpe:2.3:a:hoyoverse:mhyprot2:1.0.0.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE-269Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-269
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/kagurazakasanae/Mhyprot2DrvControlcve@mitre.org
Third Party Advisory
https://github.com/kkent030315/evil-mhyprot-clicve@mitre.org
Third Party Advisory
https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.htmlcve@mitre.org
Exploit
Third Party Advisory
https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.htmlcve@mitre.org
Exploit
Third Party Advisory
https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victimscve@mitre.org
Exploit
Press/Media Coverage
Third Party Advisory
https://github.com/kagurazakasanae/Mhyprot2DrvControlaf854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://github.com/kkent030315/evil-mhyprot-cliaf854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.htmlaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.htmlaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victimsaf854a3a-2127-422b-91ae-364da2661108
Exploit
Press/Media Coverage
Third Party Advisory
Hyperlink: https://github.com/kagurazakasanae/Mhyprot2DrvControl
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://github.com/kkent030315/evil-mhyprot-cli
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: 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
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims
Source: cve@mitre.org
Resource:
Exploit
Press/Media Coverage
Third Party Advisory
Hyperlink: https://github.com/kagurazakasanae/Mhyprot2DrvControl
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://github.com/kkent030315/evil-mhyprot-cli
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
Hyperlink: 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
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victims
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Press/Media Coverage
Third Party Advisory

Change History

0
Information is not available yet

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