fkie_nvd - fkie_cve-2021-4459

FKIE_CVE-2021-4459

Vulnerability from fkie_nvd - Published: 2025-08-27 08:15 - Updated: 2025-08-29 16:24

Severity ?

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

Summary

An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.

References

	URL	Tags
	info@cert.vde.com	https://certvde.com/en/advisories/VDE-2025-066

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices."
    },
    {
      "lang": "es",
      "value": "Un atacante remoto autorizado puede acceder a archivos y directorios fuera del root web previsto, exponiendo potencialmente informaci\u00f3n confidencial del sistema de los dispositivos Sunny Boy afectados."
    }
  ],
  "id": "CVE-2021-4459",
  "lastModified": "2025-08-29T16:24:09.860",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "info@cert.vde.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-27T08:15:31.937",
  "references": [
    {
      "source": "info@cert.vde.com",
      "url": "https://certvde.com/en/advisories/VDE-2025-066"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-23"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Secondary"
    }
  ]
}

CVE-2021-4459 (GCVE-0-2021-4459)

Vulnerability from cvelistv5 – Published: 2025-08-27 08:00 – Updated: 2025-08-27 16:18

Title

SMA: Directory Traversal in Sunny Boy <3.10.27.R

Summary

An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.

Severity ?

6.5 (Medium)


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

CWE

CWE-23 - Relative Path Traversal

Assigner

CERTVDE

References

URL

Tags

https://certvde.com/en/advisories/VDE-2025-066

Impacted products

Vendor

Product

Version

SMA

Boy 3.0

Affected: 0.0.0 , < 3.10.27.R (custom)

SMA	Boy 3.6	Affected: 0.0.0 , < 3.10.27.R (custom)
SMA	Boy 4.0	Affected: 0.0.0 , < 3.10.27.R (custom)
SMA	Boy 5.0	Affected: 0.0.0 , < 3.10.27.R (custom)
SMA	Boy 6.0	Affected: 0.0.0 , < 3.10.27.R (custom)

Credits

Ahmed Alroky from KOIN Network

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-4459",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-27T16:14:11.490021Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-27T16:18:45.427Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Boy 3.0",
          "vendor": "SMA",
          "versions": [
            {
              "lessThan": "3.10.27.R",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Boy 3.6",
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          "versions": [
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              "status": "affected",
              "version": "0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
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          "product": "Boy 4.0",
          "vendor": "SMA",
          "versions": [
            {
              "lessThan": "3.10.27.R",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Boy 5.0",
          "vendor": "SMA",
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        },
        {
          "defaultStatus": "unaffected",
          "product": "Boy 6.0",
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      "credits": [
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          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
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        }
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2025-08-27T08:00:35.837Z",
        "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "shortName": "CERTVDE"
      },
      "references": [
        {
          "url": "https://certvde.com/en/advisories/VDE-2025-066"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "SMA: Directory Traversal in Sunny Boy \u003c3.10.27.R",
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    "datePublished": "2025-08-27T08:00:35.837Z",
    "dateReserved": "2025-07-18T05:04:57.291Z",
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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

FKIE_CVE-2021-4459

CVE-2021-4459 (GCVE-0-2021-4459)

Tags

Sightings

Nomenclature