Vulnerability-Lookup

FKIE_CVE-2020-5388

Vulnerability from fkie_nvd - Published: 2020-11-10 15:15 - Updated: 2026-06-17 03:21

Severity

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

Summary

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

References

	URL	Tags
	security_alert@emc.com	https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability	Vendor Advisory

Impacted products

	Vendor	Product	Version
	dell	inspiron_15_7579_firmware	*
	dell	inspiron_15_7579	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.31.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:inspiron_15_7579_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "34B3B464-C586-4F0E-AC78-B449C4E1DCBD",
              "versionEndExcluding": "1.31.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:dell:inspiron_15_7579:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F1E5CCCB-8F4F-443F-9989-218FEC6BD989",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM."
    },
    {
      "lang": "es",
      "value": "Dell Inspiron 15 7579 2-en-1 BIOS versiones anteriores a 1.31.0, contienen una vulnerabilidad de verificaci\u00f3n de b\u00fafer de comunicaci\u00f3n SMM Inapropiada.\u0026#xa0;Un usuario malicioso autenticado local podr\u00eda potencialmente explotar esta vulnerabilidad mediante el uso de una SMI para obtener una ejecuci\u00f3n de c\u00f3digo arbitraria en SMRAM"
    }
  ],
  "id": "CVE-2020-5388",
  "lastModified": "2026-06-17T03:21:23.710",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.3,
        "impactScore": 6.0,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.3,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-11-10T15:15:12.657",
  "references": [
    {
      "source": "security_alert@emc.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "security_alert@emc.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-5388 (GCVE-0-2020-5388)

Vulnerability from cvelistv5 – Published: 2020-11-10 14:50 – Updated: 2024-09-16 22:31

Summary

Severity

6.9 (Medium)


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

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

dell mitre root

References

1 reference

URL	Tags
https://www.dell.com/support/article/en-us/sln322…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	CPG BIOS	Affected: unspecified , < 1.31.0 (custom)

Date Public

2020-11-04 00:00

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-04T08:30:23.928Z",
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
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            }
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      ],
      "datePublic": "2020-11-04T00:00:00.000Z",
      "descriptions": [
        {
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-11-10T14:50:14.000Z",
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      },
      "references": [
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        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2020-11-04",
          "ID": "CVE-2020-5388",
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        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
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                    {
                      "product_name": "CPG BIOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.31.0"
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        "impact": {
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            "baseSeverity": "Medium",
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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.