CVE-2021-38489 - Vulnerability Details - OpenCVE

HDD password plaintext is stored in a UEFI variable.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Insyde Software	Insydeh2o

No data.

No data.

References

Link	Providers
https://www.insyde.com/security-pledge/sa-2022025/

History

Thu, 03 Sep 2026 16:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Insyde Software Insyde Software insydeh2o
Vendors & Products		Insyde Software Insyde Software insydeh2o

Thu, 03 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Thu, 03 Sep 2026 03:30:00 +0000

Type	Values Removed	Values Added
Description		HDD password plaintext is stored in a UEFI variable.
Title		HDD Password Stored In Plaintext
Weaknesses		CWE-256
References		https://www.insyde.com/security-pledge/sa-2022025/
Metrics		cvssV3_1 `{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: Insyde

Published: 2026-09-03T02:25:11.241Z

Updated: 2026-09-03T13:02:37.267Z

Reserved: 2021-08-10T19:30:25.949Z

Link: CVE-2021-38489

Vulnrichment

Updated: 2026-09-03T13:02:33.657Z

NVD

Status : Awaiting Analysis

Published: 2026-09-03T13:04:10.943

Modified: 2026-09-03T18:09:03.317

Link: CVE-2021-38489

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-38489", "assignerOrgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "state": "PUBLISHED", "assignerShortName": "Insyde", "dateReserved": "2021-08-10T19:30:25.949Z", "datePublished": "2026-09-03T02:25:11.241Z", "dateUpdated": "2026-09-03T13:02:37.267Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "shortName": "Insyde", "dateUpdated": "2026-09-03T02:25:11.241Z"}, "title": "HDD Password Stored In Plaintext", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-256", "description": "CWE-256: Unprotected Storage of Credentials", "type": "CWE"}]}], "affected": [{"vendor": "Insyde Software", "product": "InsydeH2O", "platforms": ["x86"], "versions": [{"status": "affected", "version": "See in the Solution"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "HDD password plaintext is stored in a UEFI variable.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "HDD password plaintext is stored in a UEFI variable."}]}], "references": [{"url": "https://www.insyde.com/security-pledge/sa-2022025/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Kernel\n5.1: Version 05.17.12\n\n\n\n\n\nKernel 5.2:\nVersion 05.27.12\n\n\n\n\n\nKernel 5.3:\nVersion 05.36.12\n\n\n\n\n\nKernel 5.4:\nVersion 05.43.51\n\n\n\n\n\nKernel 5.5:\nVersion 05.51.51", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Kernel\n5.1: Version 05.17.12</p>\n\n<p>Kernel 5.2:\nVersion 05.27.12</p>\n\n<p>Kernel 5.3:\nVersion 05.36.12</p>\n\n<p>Kernel 5.4:\nVersion 05.43.51</p>\n\n<p>Kernel 5.5:\nVersion 05.51.51</p>"}]}], "credits": [{"lang": "en", "value": "Insyde Software would like to thank Binarly for reporting this issue.", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-03T13:02:29.936961Z", "id": "CVE-2021-38489", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-03T13:02:37.267Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-38489", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-03T13:02:29.936961Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-03T13:02:33.657Z"}}], "cna": {"title": "HDD Password Stored In Plaintext", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Insyde Software would like to thank Binarly for reporting this issue."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Insyde Software", "product": "InsydeH2O", "versions": [{"status": "affected", "version": "See in the Solution"}], "platforms": ["x86"], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Kernel\n5.1: Version 05.17.12\n\n\n\n\n\nKernel 5.2:\nVersion 05.27.12\n\n\n\n\n\nKernel 5.3:\nVersion 05.36.12\n\n\n\n\n\nKernel 5.4:\nVersion 05.43.51\n\n\n\n\n\nKernel 5.5:\nVersion 05.51.51", "supportingMedia": [{"type": "text/html", "value": "<p>Kernel\n5.1: Version 05.17.12</p>\n\n<p>Kernel 5.2:\nVersion 05.27.12</p>\n\n<p>Kernel 5.3:\nVersion 05.36.12</p>\n\n<p>Kernel 5.4:\nVersion 05.43.51</p>\n\n<p>Kernel 5.5:\nVersion 05.51.51</p>", "base64": false}]}], "references": [{"url": "https://www.insyde.com/security-pledge/sa-2022025/"}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "HDD password plaintext is stored in a UEFI variable.", "supportingMedia": [{"type": "text/html", "value": "HDD password plaintext is stored in a UEFI variable.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-256", "description": "CWE-256: Unprotected Storage of Credentials"}]}], "providerMetadata": {"orgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "shortName": "Insyde", "dateUpdated": "2026-09-03T02:25:11.241Z"}}}, "cveMetadata": {"cveId": "CVE-2021-38489", "state": "PUBLISHED", "dateUpdated": "2026-09-03T13:02:37.267Z", "dateReserved": "2021-08-10T19:30:25.949Z", "assignerOrgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "datePublished": "2026-09-03T02:25:11.241Z", "assignerShortName": "Insyde"}, "dataVersion": "5.2"}