Vulnerability-Lookup

FKIE_CVE-2021-21547

Vulnerability from fkie_nvd - Published: 2021-04-30 21:15 - Updated: 2026-06-17 03:35

Severity

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

Summary

Dell EMC Unity, UnityVSA, and Unity XT versions prior to 5.0.7.0.5.008 contain a plain-text password storage vulnerability when the Dell Upgrade Readiness Utility is run on the system. The credentials of the Unisphere Administrator are stored in plain text. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user.

References

	URL	Tags
	security_alert@emc.com	https://www.dell.com/support/kbdoc/000185484	Patch, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.dell.com/support/kbdoc/000185484	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
dell	unity_operating_environment	*
dell	unity_xt_operating_environment	*
dell	unityvsa_operating_environment	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Unity",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "5.0.7.0.5.008",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dell:unity_operating_environment:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15F2B715-190D-460B-AABB-B922B2C4AE53",
              "versionEndExcluding": "5.0.7.0.5.008",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:dell:unity_xt_operating_environment:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8F115C9A-4D1C-44E2-AD74-AAE75EEB74BC",
              "versionEndExcluding": "5.0.7.0.5.008",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:dell:unityvsa_operating_environment:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "21AA0A02-5341-469E-9715-5AEF4BFEFA42",
              "versionEndExcluding": "5.0.7.0.5.008",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC Unity, UnityVSA, and Unity XT versions prior to 5.0.7.0.5.008 contain a plain-text password storage vulnerability when the Dell Upgrade Readiness Utility is run on the system. The credentials of the Unisphere Administrator are stored in plain text. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user."
    },
    {
      "lang": "es",
      "value": "Dell EMC Unity, UnityVSA y Unity XT versiones anteriores a 5.0.7.0.5.008 contienen una vulnerabilidad de almacenamiento de contrase\u00f1a de texto plano cuando Dell Upgrade Readiness Utility es ejecutado en el sistema.\u0026#xa0;Las credenciales del Administrador de Unisphere son almacenadas en texto plano.\u0026#xa0;Un usuario malicioso local con altos privilegios puede usar la contrase\u00f1a expuesta para conseguir acceso con los privilegios de un usuario comprometido."
    }
  ],
  "id": "CVE-2021-21547",
  "lastModified": "2026-06-17T03:35:45.333",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 5.9,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-04-30T21:15:08.937",
  "references": [
    {
      "source": "security_alert@emc.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/kbdoc/000185484"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/kbdoc/000185484"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-312"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-21547 (GCVE-0-2021-21547)

Vulnerability from cvelistv5 – Published: 2021-04-30 21:10 – Updated: 2024-09-16 18:34

Summary

Severity

6.4 (Medium)


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

CWE

Other

Assigner

dell mitre root

References

1 reference

URL	Tags
https://www.dell.com/support/kbdoc/000185484	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	Unity	Affected: unspecified , < 5.0.7.0.5.008 (custom)

Date Public

2021-04-19 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:16:23.000Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dell.com/support/kbdoc/000185484"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Unity",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "5.0.7.0.5.008",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-04-19T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Dell EMC Unity, UnityVSA, and Unity XT versions prior to 5.0.7.0.5.008 contain a plain-text password storage vulnerability when the Dell Upgrade Readiness Utility is run on the system. The credentials of the Unisphere Administrator are stored in plain text. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Other",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-30T21:10:19.000Z",
        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
        "shortName": "dell"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.dell.com/support/kbdoc/000185484"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2021-04-19",
          "ID": "CVE-2021-21547",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Unity",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "5.0.7.0.5.008"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Dell"
              }
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            }
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        "impact": {
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            "baseSeverity": "Medium",
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            "version": "3.1"
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        "problemtype": {
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                  "value": "Other"
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        },
        "references": {
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            {
              "name": "https://www.dell.com/support/kbdoc/000185484",
              "refsource": "MISC",
              "url": "https://www.dell.com/support/kbdoc/000185484"
            }
          ]
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  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
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    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-09-16T18:34:33.545Z",
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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.

Detection rules are retrieved from Rulezet.

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.

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.