github - ghsa-9fc4-hxq5-hwj6

ghsa-9fc4-hxq5-hwj6

Vulnerability from github

Published

2022-05-24 19:05

Modified

2022-05-24 19:05

Details

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.

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{
   affected: [],
   aliases: [
      "CVE-2021-21556",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-787",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-06-14T19:15:00Z",
      severity: "HIGH",
   },
   details: "Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.",
   id: "GHSA-9fc4-hxq5-hwj6",
   modified: "2022-05-24T19:05:16Z",
   published: "2022-05-24T19:05:16Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-21556",
      },
      {
         type: "WEB",
         url: "https://www.dell.com/support/kbdoc/000187958",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}

CVE-2021-21556 (GCVE-0-2021-21556)

Vulnerability from cvelistv5

Published

2021-06-14 19:10

Modified

2024-09-17 01:40

Severity ?

6.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L

Summary

References

▼	URL	Tags
	https://www.dell.com/support/kbdoc/000187958	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	PowerEdge BIOS Intel 15G	Version: unspecified < 2.11.2

Show details on NVD website

JSON

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{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T18:16:23.115Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
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            references: [
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                  ],
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               },
            ],
            title: "CVE Program Container",
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      ],
      cna: {
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               versions: [
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            },
         ],
         metrics: [
            {
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                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "LOW",
                  baseScore: 6.1,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "HIGH",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
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         problemTypes: [
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   cveMetadata: {
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      datePublished: "2021-06-14T19:10:15.963590Z",
      dateReserved: "2021-01-04T00:00:00",
      dateUpdated: "2024-09-17T01:40:39.312Z",
      state: "PUBLISHED",
   },
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}

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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