Vulnerability-Lookup

CVE-2025-61787 (GCVE-0-2025-61787)

Vulnerability from cvelistv5 – Published: 2025-10-08 00:59 – Updated: 2025-10-08 18:51

Title

Deno is Vulnerable to Command Injection on Windows During Batch File Execution

Summary

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Versions prior to 2.5.3 and 2.2.15 are vulnerable to Command Line Injection attacks on Windows when batch files are executed. In Windows, ``CreateProcess()`` always implicitly spawns ``cmd.exe`` if a batch file (.bat, .cmd, etc.) is being executed even if the application does not specify it via the command line. This makes Deno vulnerable to a command injection attack on Windows. Versions 2.5.3 and 2.2.15 fix the issue.

Severity

8.1 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-08 18:47 UTC

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7760 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/denoland/deno/security/advisor…	x_refsource_CONFIRM
https://github.com/denoland/deno/pull/30818	x_refsource_MISC
https://github.com/denoland/deno/commit/8a0990ccd…	x_refsource_MISC
https://github.com/denoland/deno/releases/tag/v2.2.15	x_refsource_MISC
https://github.com/denoland/deno/releases/tag/v2.5.3	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
denoland	deno	Affected: >= 2.3.0, < 2.5.3 Affected: < 2.2.15	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-61787

Vulnerability from fkie_nvd - Published: 2025-10-08 02:15 - Updated: 2026-10-08 13:10

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/denoland/deno/commit/8a0990ccd37bafd8768176ca64b906ba2da2d822	Patch
security-advisories@github.com	https://github.com/denoland/deno/pull/30818	Issue Tracking, Patch
security-advisories@github.com	https://github.com/denoland/deno/releases/tag/v2.2.15	Release Notes
security-advisories@github.com	https://github.com/denoland/deno/releases/tag/v2.5.3	Release Notes
security-advisories@github.com	https://github.com/denoland/deno/security/advisories/GHSA-m2gf-x3f6-8hq3	Exploit, Vendor Advisory

Impacted products

Vendor	Product	Version
deno	deno	*
deno	deno	*
microsoft	windows	-

JSON

To clipboard

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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-61787",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-08T18:47:39.944579Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-10-08T02:15:41.897",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/denoland/deno/commit/8a0990ccd37bafd8768176ca64b906ba2da2d822"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/denoland/deno/pull/30818"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/denoland/deno/releases/tag/v2.2.15"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/denoland/deno/releases/tag/v2.5.3"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/denoland/deno/security/advisories/GHSA-m2gf-x3f6-8hq3"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-M2GF-X3F6-8HQ3

Vulnerability from github – Published: 2025-10-08 18:16 – Updated: 2025-10-08 18:16

Summary

Deno is Vulnerable to Command Injection on Windows During Batch File Execution

Details

Summary

Deno versions up to 2.5.1 are vulnerable to Command Line Injection attacks on Windows when batch files are executed.

Details

In Windows, CreateProcess() always implicitly spawns cmd.exe if a batch file (.bat, .cmd, etc.) is being executed even if the application does not specify it via the command line. This makes Deno vulnerable to a command injection attack on Windows as demonstrated by the two proves-of-concept below.

PoC

Using node:child_process (with the env and run permissions):

const { spawn } = require('node:child_process');
const child = spawn('./test.bat', ['&calc.exe']);

Using Deno.Command.spawn() (with the run permission):

const command = new Deno.Command('./test.bat', {
  args: ['&calc.exe'],
});
const child = command.spawn();

Impact

Both of these scripts result in opening calc.exe on Windows, thus allowing a Command Line Injection attack when user-provided arguments are passed if the script being executed by the child process is a batch script.

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "deno"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.5.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-61787"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-08T18:16:24Z",
    "nvd_published_at": "2025-10-08T02:15:41Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nDeno versions up to 2.5.1 are vulnerable to Command Line Injection attacks on Windows when batch files are executed.\n\n### Details\nIn Windows, ``CreateProcess()`` always implicitly spawns ``cmd.exe`` if a batch file (.bat, .cmd, etc.) is being executed even if the application does not specify it via the command line. This makes Deno vulnerable to a command injection attack on Windows as demonstrated by the two proves-of-concept below.\n\n### PoC\nUsing `node:child_process` (with the `env` and `run` permissions):\n```JS\nconst { spawn } = require(\u0027node:child_process\u0027);\nconst child = spawn(\u0027./test.bat\u0027, [\u0027\u0026calc.exe\u0027]);\n```\nUsing `Deno.Command.spawn()` (with the `run` permission):\n```JS\nconst command = new Deno.Command(\u0027./test.bat\u0027, {\n  args: [\u0027\u0026calc.exe\u0027],\n});\nconst child = command.spawn();\n```\n\n### Impact\nBoth of these scripts result in opening calc.exe on Windows, thus allowing a Command Line Injection attack when user-provided arguments are passed if the script being executed by the child process is a batch script.",
  "id": "GHSA-m2gf-x3f6-8hq3",
  "modified": "2025-10-08T18:16:24Z",
  "published": "2025-10-08T18:16:24Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/denoland/deno/security/advisories/GHSA-m2gf-x3f6-8hq3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61787"
    },
    {
      "type": "WEB",
      "url": "https://github.com/denoland/deno/pull/30818"
    },
    {
      "type": "WEB",
      "url": "https://github.com/denoland/deno/commit/8a0990ccd37bafd8768176ca64b906ba2da2d822"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/denoland/deno"
    },
    {
      "type": "WEB",
      "url": "https://github.com/denoland/deno/releases/tag/v2.2.15"
    },
    {
      "type": "WEB",
      "url": "https://github.com/denoland/deno/releases/tag/v2.5.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Deno is Vulnerable to Command Injection on Windows During Batch File Execution"
}

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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CVE-2025-61787 (GCVE-0-2025-61787)

FKIE_CVE-2025-61787

GHSA-M2GF-X3F6-8HQ3

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