FKIE_CVE-2021-43615

Vulnerability from fkie_nvd - Published: 2022-02-03 02:15 - Updated: 2025-11-04 20:16
Severity ?
8.2 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
References
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdfThird Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20220216-0010/Third Party Advisory
cve@mitre.orghttps://www.insyde.com/security-pledgeVendor Advisory
cve@mitre.orghttps://www.insyde.com/security-pledge/SA-2022013Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220216-0010/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.insyde.com/security-pledgeVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.insyde.com/security-pledge/SA-2022013Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/796611
Impacted products
Vendor Product Version
insyde insydeh2o *
insyde insydeh2o *
insyde insydeh2o *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
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              "versionEndExcluding": "5.16.23",
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            }
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en HddPassword en InsydeH2O con el kernel versi\u00f3n 5.1 antes de 05.16.23, versi\u00f3n 5.2 antes de 05.26.23, versi\u00f3n 5.3 antes de 05.35.23, versi\u00f3n 5.4 antes de 05.43.22 y versi\u00f3n 5.5 antes de 05.51.22. Una vulnerabilidad de corrupci\u00f3n de memoria de SMM permite a un atacante escribir datos fijos o predecibles en la SMRAM. La explotaci\u00f3n de este problema podr\u00eda conducir a la escalada de privilegios en el SMM."
    }
  ],
  "id": "CVE-2021-43615",
  "lastModified": "2025-11-04T20:16:02.543",
  "metrics": {
    "cvssMetricV2": [
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        "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"
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        "exploitabilityScore": 3.9,
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        "obtainOtherPrivilege": false,
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          "confidentialityImpact": "HIGH",
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          "scope": "CHANGED",
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  "published": "2022-02-03T02:15:07.470",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.