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FKIE_CVE-2020-5684

Vulnerability from fkie_nvd - Published: 2020-12-24 02:15 - Updated: 2026-06-17 03:22
Summary
iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.
Impacted products
Vendor Product Version
nec ism_server *
nec m120 -
nec m12e -
nec m320 -
nec m320f -

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Management software for NEC Storage disk array system",
          "vendor": "NEC Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nec:ism_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "752ABEA9-A949-4390-A361-CF95BB09F228",
              "versionEndExcluding": "12.1",
              "versionStartIncluding": "5.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:nec:m120:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "759282D6-414A-4D06-9BD1-FCB50D524F5F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:nec:m12e:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "ABEDC9FC-76CE-40C4-9DAE-9CF490D5D08F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:nec:m320:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B6C0F3F9-244A-477A-91F1-E224A8CF7A23",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:nec:m320f:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "7061A1F3-ED55-4906-8E46-7F4BA9B427F1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate."
    },
    {
      "lang": "es",
      "value": "El cliente iSM desde versiones V5.1 anteriores a V12.1, que se ejecutan en NEC Storage Manager o NEC Storage Manager Express no verifican un certificado de servidor apropiadamente, el cual permite a un atacante de tipo man-in-the-middle espiar una comunicaci\u00f3n cifrada o alterar la comunicaci\u00f3n por medio de un certificado dise\u00f1ado"
    }
  ],
  "id": "CVE-2020-5684",
  "lastModified": "2026-06-17T03:22:05.383",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-12-24T02:15:12.957",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://jpn.nec.com/security-info/secinfo/nv20-015.html"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN10100024/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://jpn.nec.com/security-info/secinfo/nv20-015.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN10100024/index.html"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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