Vulnerability-Lookup

GHSA-Q7M5-4XHC-7XFR

Vulnerability from github – Published: 2024-03-25 06:30 – Updated: 2025-03-28 09:30

Details

HGW BL1500HM Ver 002.001.013 and earlier contains a use of week credentials issue. A network-adjacent unauthenticated attacker may connect to the product via SSH and use a shell.

Severity

6.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2024-21865"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1391",
      "CWE-521"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-25T05:15:50Z",
    "severity": "MODERATE"
  },
  "details": "HGW BL1500HM Ver 002.001.013 and earlier contains a use of week credentials issue. A network-adjacent unauthenticated attacker may connect to the product via SSH and use a shell.",
  "id": "GHSA-q7m5-4xhc-7xfr",
  "modified": "2025-03-28T09:30:30Z",
  "published": "2024-03-25T06:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21865"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/vu/JVNVU93546510"
    },
    {
      "type": "WEB",
      "url": "https://kddi-tech.com/contents/appendix_L2_06.html#20304f4c-af1b-49fd-c3b5-8d1f55fd8b4f"
    },
    {
      "type": "WEB",
      "url": "https://www.au.com/support/service/internet/guide/modem/bl1500hm/firmware"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-21865 (GCVE-0-2024-21865)

Vulnerability from cvelistv5 – Published: 2024-03-25 04:11 – Updated: 2025-09-19 17:22

Summary

HGW BL1500HM Ver 002.001.013 and earlier contains a use of week credentials issue. A network-adjacent unauthenticated attacker may connect to the product via SSH and use a shell.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-17 15:29 UTC

CWE

CWE-1391 - Use of weak credentials

Assigner

jpcert CNA under the jpcert root

CNA scorecard C 64/100 over 183 records in the last 180 days details

References

3 references

URL	Tags
https://kddi-tech.com/contents/appendix_L2_06.htm…
https://jvn.jp/en/vu/JVNVU93546510/
https://www.au.com/support/service/internet/guide…	x_transferred

Impacted products

1 product

Vendor	Product	Version
KDDI CORPORATION	HGW BL1500HM	Affected: Ver 002.001.013 and earlier

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-21865",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-17T15:29:40.852705Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-19T17:22:54.820Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T22:27:36.343Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.au.com/support/service/internet/guide/modem/bl1500hm/firmware/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/vu/JVNVU93546510/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "HGW BL1500HM",
          "vendor": "KDDI CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "Ver 002.001.013 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HGW BL1500HM Ver 002.001.013 and earlier contains a use of week credentials issue. A network-adjacent unauthenticated attacker may connect to the product via SSH and use a shell."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1391",
              "description": "Use of weak credentials",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-28T07:38:26.719Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://kddi-tech.com/contents/appendix_L2_06.html#20304f4c-af1b-49fd-c3b5-8d1f55fd8b4f"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU93546510/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2024-21865",
    "datePublished": "2024-03-25T04:11:34.280Z",
    "dateReserved": "2024-03-18T01:23:32.331Z",
    "dateUpdated": "2025-09-19T17:22:54.820Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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