Vulnerability-Lookup

FKIE_CVE-2020-5379

Vulnerability from fkie_nvd - Published: 2020-09-02 21:15 - Updated: 2026-06-17 03:21

Severity

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

Summary

Dell Inspiron 7352 BIOS versions prior to A12 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

References

	URL	Tags
	security_alert@emc.com	https://www.dell.com/support/article/SLN322616	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.dell.com/support/article/SLN322616	Vendor Advisory

Impacted products

	Vendor	Product	Version
	dell	inspiron_7352_bios	*
	dell	inspiron_7352	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "A12",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:inspiron_7352_bios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "87B03D52-BAFE-45CF-8128-E0534E3E6AA2",
              "versionEndExcluding": "a12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
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              "criteria": "cpe:2.3:h:dell:inspiron_7352:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "32665F11-6A03-4D01-B130-CA6685B41C1A",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Inspiron 7352 BIOS versions prior to A12 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM)."
    },
    {
      "lang": "es",
      "value": "El BIOS de Dell Inspiron 7352 versiones anteriores a A12, contienen una vulnerabilidad de sobrescritura de UEFI BIOS Boot Services. Un atacante local con acceso a la memoria del sistema puede aprovechar esta vulnerabilidad al sobrescribir la estructura de EFI_BOOT_SERVICES para ejecutar c\u00f3digo arbitrario en System Management Mode (SMM)"
    }
  ],
  "id": "CVE-2020-5379",
  "lastModified": "2026-06-17T03:21:23.063",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-09-02T21:15:12.937",
  "references": [
    {
      "source": "security_alert@emc.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/article/SLN322616"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/article/SLN322616"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-693"
        }
      ],
      "source": "security_alert@emc.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-5379 (GCVE-0-2020-5379)

Vulnerability from cvelistv5 – Published: 2020-09-02 20:55 – Updated: 2024-09-16 19:30

Summary

Severity

6.8 (Medium)


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

CWE

CWE-693 - Protection Mechanism Failure

Assigner

dell mitre root

References

1 reference

URL	Tags
https://www.dell.com/support/article/SLN322616	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	CPG BIOS	Affected: unspecified , < A12 (custom)

Date Public

2020-09-01 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:30:23.807Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
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          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dell.com/support/article/SLN322616"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
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        }
      ],
      "datePublic": "2020-09-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "CWE-693: Protection Mechanism Failure",
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      ],
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        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
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      },
      "references": [
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          ],
          "url": "https://www.dell.com/support/article/SLN322616"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2020-09-01",
          "ID": "CVE-2020-5379",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CPG BIOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "A12"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Dell"
              }
            ]
          }
        },
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        "impact": {
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              "url": "https://www.dell.com/support/article/SLN322616"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
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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.