github - ghsa-9cqc-hhcp-cf94

GHSA-9CQC-HHCP-CF94

Vulnerability from github – Published: 2025-11-26 03:30 – Updated: 2025-11-26 03:30

Details

CMService.exe creates the C:\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.

Severity ?

6.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-66265"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-26T01:16:10Z",
    "severity": "MODERATE"
  },
  "details": "CMService.exe creates the C:\\\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.",
  "id": "GHSA-9cqc-hhcp-cf94",
  "modified": "2025-11-26T03:30:22Z",
  "published": "2025-11-26T03:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66265"
    },
    {
      "type": "WEB",
      "url": "https://www.megatec.com.tw/software-download"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L/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-2025-66265 (GCVE-0-2025-66265)

Vulnerability from cvelistv5 – Published: 2025-11-26 01:12 – Updated: 2025-11-26 15:31

Summary

CMService.exe creates the C:\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.

Severity ?

6.9 (Medium)


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

CWE

CWE-269 - Improper Privilege Management

Assigner

Gridware

References

URL

Tags

https://www.megatec.com.tw/software-download/

Impacted products

	Vendor	Product	Version
	MegaTec Taiwan	ClientMate	Affected: 6.2.2

Credits

Abdul Mhanni

Show details on NVD website

JSON

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        "metrics": [
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            "other": {
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                "id": "CVE-2025-66265",
                "options": [
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-26T15:28:38.418710Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "product": "ClientMate",
          "vendor": "MegaTec Taiwan",
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            "Recovery": "NOT_DEFINED",
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    "dateReserved": "2025-11-26T01:02:56.464Z",
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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

GHSA-9CQC-HHCP-CF94

CVE-2025-66265 (GCVE-0-2025-66265)

Tags

Sightings

Nomenclature