github - ghsa-99hp-3vr6-f5r2

GHSA-99HP-3VR6-F5R2

Vulnerability from github – Published: 2025-12-03 18:30 – Updated: 2025-12-03 18:30

Details

In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.

Severity ?

8.0 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-20387"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-03T17:15:51Z",
    "severity": "HIGH"
  },
  "details": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.",
  "id": "GHSA-99hp-3vr6-f5r2",
  "modified": "2025-12-03T18:30:25Z",
  "published": "2025-12-03T18:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20387"
    },
    {
      "type": "WEB",
      "url": "https://advisory.splunk.com/advisories/SVD-2025-1206"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-20387 (GCVE-0-2025-20387)

Vulnerability from cvelistv5 – Published: 2025-12-03 17:00 – Updated: 2025-12-04 04:55

Summary

Severity ?

8 (High)


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

CWE

CWE-732 - The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Assigner

cisco

References

URL

Tags

https://advisory.splunk.com/advisories/SVD-2025-1206

Impacted products

	Vendor	Product	Version
	Splunk	Splunk Enterprise	Affected: 10.0 , < 10.0.2 (custom) Affected: 9.4 , < 9.4.6 (custom) Affected: 9.3 , < 9.3.8 (custom) Affected: 9.2 , < 9.2.10 (custom)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-20387",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-03T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-04T04:55:18.275Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Splunk Enterprise",
          "vendor": "Splunk",
          "versions": [
            {
              "lessThan": "10.0.2",
              "status": "affected",
              "version": "10.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.4.6",
              "status": "affected",
              "version": "9.4",
              "versionType": "custom"
            },
            {
              "lessThan": "9.3.8",
              "status": "affected",
              "version": "9.3",
              "versionType": "custom"
            },
            {
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              "status": "affected",
              "version": "9.2",
              "versionType": "custom"
            }
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      ],
      "datePublic": "2025-12-03T00:00:00.000Z",
      "descriptions": [
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              "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."
            }
          ],
          "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
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      "problemTypes": [
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              "type": "cwe"
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          ]
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      "providerMetadata": {
        "dateUpdated": "2025-12-03T17:00:51.451Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
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      "references": [
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        }
      ],
      "source": {
        "advisory": "SVD-2025-1206"
      },
      "title": "Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new installation or upgrade"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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    "datePublished": "2025-12-03T17:00:51.451Z",
    "dateReserved": "2024-10-10T19:15:13.265Z",
    "dateUpdated": "2025-12-04T04:55:18.275Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-99HP-3VR6-F5R2

CVE-2025-20387 (GCVE-0-2025-20387)

Tags

Sightings

Nomenclature