Vulnerability-Lookup

FKIE_CVE-2021-20847

Vulnerability from fkie_nvd - Published: 2021-12-01 03:15 - Updated: 2026-06-17 03:34

Severity

6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Summary

Cross-site scripting vulnerability in Wi-Fi STATION SH-52A (38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C) allows a remote unauthenticated attacker to inject an arbitrary script via WebUI of the device.

References

URL	Tags
vultures@jpcert.or.jp	https://jvn.jp/en/jp/JVN19482703/index.html	Third Party Advisory
vultures@jpcert.or.jp	https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://jvn.jp/en/jp/JVN19482703/index.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html	Third Party Advisory

Impacted products

Vendor	Product	Version
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_11g
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_11j
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_11k
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_11l
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_26f
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_26g
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_1_26j
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_2_03b
nttdocomo	wi-fi_station_sh-52a_firmware	38jp_2_03c
nttdocomo	wi-fi_station_sh-52a	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Wi-Fi STATION SH-52A",
          "vendor": "NTT DOCOMO, INC.",
          "versions": [
            {
              "status": "affected",
              "version": "38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site scripting vulnerability in Wi-Fi STATION SH-52A (38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C) allows a remote unauthenticated attacker to inject an arbitrary script via WebUI of the device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross-site scripting en Wi-Fi STATION SH-52A versiones (38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B y 38JP_2_03C), permite a un atacante remoto no autenticado inyectar un script arbitrario por medio de la WebUI del dispositivo"
    }
  ],
  "id": "CVE-2021-20847",
  "lastModified": "2026-06-17T03:34:32.150",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-12-01T03:15:06.590",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN19482703/index.html"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://jvn.jp/en/jp/JVN19482703/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-20847 (GCVE-0-2021-20847)

Vulnerability from cvelistv5 – Published: 2021-12-01 02:15 – Updated: 2024-08-03 17:53

Summary

Severity

No CVSS data available.

CWE

Cross-site scripting

Assigner

jpcert jpcert root Scorecard

References

2 references

URL	Tags
https://www.nttdocomo.co.jp/support/product_updat…	x_refsource_MISC
https://jvn.jp/en/jp/JVN19482703/index.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
NTT DOCOMO, INC.	Wi-Fi STATION SH-52A	Affected: 38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:53:22.731Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN19482703/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Wi-Fi STATION SH-52A",
          "vendor": "NTT DOCOMO, INC.",
          "versions": [
            {
              "status": "affected",
              "version": "38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cross-site scripting vulnerability in Wi-Fi STATION SH-52A (38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C) allows a remote unauthenticated attacker to inject an arbitrary script via WebUI of the device."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Cross-site scripting",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-01T02:15:37.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
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          "tags": [
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          "url": "https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html"
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      "x_legacyV4Record": {
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          "ID": "CVE-2021-20847",
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        },
        "affects": {
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                  "product_data": [
                    {
                      "product_name": "Wi-Fi STATION SH-52A",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C"
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            },
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  "cveMetadata": {
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}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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FKIE_CVE-2021-20847

CVE-2021-20847 (GCVE-0-2021-20847)

Tags

Sightings

Nomenclature

Related by attack behaviour