GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2024-39838 (GCVE-0-2024-39838)

Vulnerability from cvelistv5 – Published: 2024-08-05 04:35 – Updated: 2025-03-25 16:20
VLAI
Summary
ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-05 13:27 UTC
CWE
  • Use of Hard-coded Credentials
  • CWE-798 - Use of Hard-coded Credentials
Impacted products
Vendor Product Version CPE status
ZEXELON CO., LTD. ZWX-2000CSW2-HN Affected: firmware versions prior to Ver.0.3.15
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-39838",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-05T13:27:03.329516Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-798",
                "description": "CWE-798 Use of Hard-coded Credentials",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-25T16:20:44.015Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ZWX-2000CSW2-HN",
          "vendor": "ZEXELON CO., LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "firmware versions prior to Ver.0.3.15"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Use of Hard-coded Credentials",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-08-05T04:35:39.287Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.zexelon.co.jp/pdf/jvn70666401.pdf"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN70666401/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2024-39838",
    "datePublished": "2024-08-05T04:35:39.287Z",
    "dateReserved": "2024-07-26T05:46:45.774Z",
    "dateUpdated": "2025-03-25T16:20:44.015Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-39838",
      "date": "2026-09-17",
      "epss": "0.00332",
      "percentile": "0.26473"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-39838\",\"sourceIdentifier\":\"vultures@jpcert.or.jp\",\"published\":\"2024-08-05T05:15:39.563\",\"lastModified\":\"2026-06-17T07:42:53.733\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.\"},{\"lang\":\"es\",\"value\":\"Las versiones de firmware ZWX-2000CSW2-HN anteriores a la versi\u00f3n 0.3.15 utilizan credenciales codificadas, lo que puede permitir que un atacante adyacente a la red con privilegios administrativos altere la configuraci\u00f3n del dispositivo.\"}],\"affected\":[{\"source\":\"vultures@jpcert.or.jp\",\"affectedData\":[{\"vendor\":\"ZEXELON CO., LTD.\",\"product\":\"ZWX-2000CSW2-HN\",\"versions\":[{\"version\":\"firmware versions prior to Ver.0.3.15\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-08-05T13:27:03.329516Z\",\"id\":\"CVE-2024-39838\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-798\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-798\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zexelon:zwx-2000csw2-hn_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.3.15\",\"matchCriteriaId\":\"C9F38FB9-D0CB-48E9-B09A-DF962CA0B0B6\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zexelon:zwx-2000csw2-hn:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2349E09-CC89-41F6-AA4A-14B96D10EED8\"}]}]}],\"references\":[{\"url\":\"https://jvn.jp/en/jp/JVN70666401/\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.zexelon.co.jp/pdf/jvn70666401.pdf\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-28T19:00:50+00:00",
      "cve": "CVE-2024-39838",
      "id": "CVE-2024-39838",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2024-39838",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-39838.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-39838\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-05T13:27:03.329516Z\"}}}, {\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-798\", \"description\": \"CWE-798 Use of Hard-coded Credentials\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-05T13:27:08.305Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"ZEXELON CO., LTD.\", \"product\": \"ZWX-2000CSW2-HN\", \"versions\": [{\"status\": \"affected\", \"version\": \"firmware versions prior to Ver.0.3.15\"}]}], \"references\": [{\"url\": \"https://www.zexelon.co.jp/pdf/jvn70666401.pdf\"}, {\"url\": \"https://jvn.jp/en/jp/JVN70666401/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Use of Hard-coded Credentials\"}]}], \"providerMetadata\": {\"orgId\": \"ede6fdc4-6654-4307-a26d-3331c018e2ce\", \"shortName\": \"jpcert\", \"dateUpdated\": \"2024-08-05T04:35:39.287Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-39838\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-25T16:20:44.015Z\", \"dateReserved\": \"2024-07-26T05:46:45.774Z\", \"assignerOrgId\": \"ede6fdc4-6654-4307-a26d-3331c018e2ce\", \"datePublished\": \"2024-08-05T04:35:39.287Z\", \"assignerShortName\": \"jpcert\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…