github - ghsa-v9mm-m35w-j8fm

GHSA-V9MM-M35W-J8FM

Vulnerability from github – Published: 2022-04-23 00:03 – Updated: 2022-05-07 00:01

Details

A potential vulnerability by a driver used during older manufacturing processes on some consumer Lenovo Notebook devices that was mistakenly included in the BIOS image could allow an attacker with elevated privileges to modify firmware protection region by modifying an NVRAM variable.

Severity ?

6.7 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-3971"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-22T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A potential vulnerability by a driver used during older manufacturing processes on some consumer Lenovo Notebook devices that was mistakenly included in the BIOS image could allow an attacker with elevated privileges to modify firmware protection region by modifying an NVRAM variable.",
  "id": "GHSA-v9mm-m35w-j8fm",
  "modified": "2022-05-07T00:01:16Z",
  "published": "2022-04-23T00:03:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3971"
    },
    {
      "type": "WEB",
      "url": "https://support.lenovo.com/us/en/product_security/LEN-73440"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-3971 (GCVE-0-2021-3971)

Vulnerability from cvelistv5 – Published: 2022-04-22 20:30 – Updated: 2024-08-03 17:09

Summary

Severity ?

6.7 (Medium)


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

CWE

CWE-489 - Leftover Debug Code

Assigner

lenovo

References

URL

Tags

https://support.lenovo.com/us/en/product_security…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Lenovo	Notebook BIOS	Affected: various

Credits

Lenovo thanks Martin Smolár from ESET for reporting this issue.

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:09.596Z",
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            ],
            "url": "https://support.lenovo.com/us/en/product_security/LEN-73440"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
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          "vendor": "Lenovo",
          "versions": [
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            }
          ]
        }
      ],
      "credits": [
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      ],
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        {
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            "attackComplexity": "LOW",
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            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-V9MM-M35W-J8FM

CVE-2021-3971 (GCVE-0-2021-3971)

Tags

Sightings

Nomenclature