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CVE Record

CVE-2018-12179: Improper configuration in system firmware for EDK II may allow unauthenticated user to potentially enable e...

Improper configuration in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a firmware configuration flaw in EDK II. A person with local access may be able to trigger privilege escalation, information disclosure, or denial of service. Because firmware sits below the operating system, exposure depends on device firmware derived from affected EDK II code and vendor updates. The bundle does not provide CVSS or confirmed exploitation.

Executive priority

Handle as a firmware exposure review rather than an internet-facing emergency. Prioritize high-value laptops, workstations, and servers where local access risk exists. Business urgency depends on vendor applicability, which is not fully specified in the provided sources.

Technical view

CVE-2018-12179 concerns improper system firmware configuration in EDK II, with the advisory URL indicating an OPAL BlockSid setting issue after S3 sleep/resume. The CVE describes local-access impact: possible escalation of privilege, information disclosure, and denial of service. The provided data lists EDK II as affected, plus HPE and Fedora advisories, but no concrete version ranges.

Likely exposure

Most likely exposure is endpoints or servers whose firmware includes affected EDK II components or vendor firmware identified by advisory coverage. Local access is required according to the CVE description. The provided bundle does not define exact vulnerable versions, platforms, or CPEs.

Exploitation context

The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The CVE requires local access and describes potential privilege, confidentiality, and availability impacts. Treat exploitability as plausible but not confirmed from these sources.

Researcher notes

Key gaps are missing CVSS, CPEs, exact affected versions, and explicit remediation details in the bundle. The advisory title suggests OPAL BlockSid behavior after S3 resume, but analysis should be validated against the linked EDK II and vendor advisories before firm scoping.

Mitigation direction

  • Check EDK II, HPE, Fedora, and device vendor advisories for applicable updates.
  • Prioritize firmware updates for systems with local user access or untrusted physical access.
  • Review vendor guidance for OPAL BlockSid and S3 sleep/resume configuration handling.
  • Restrict local administrative and physical access until affected assets are clarified.

Validation and detection

  • Inventory systems using EDK II-derived firmware or vendor advisories referencing this CVE.
  • Match device models and firmware versions against vendor guidance.
  • Confirm whether OPAL self-encrypting drive features are used on exposed systems.
  • Verify firmware update status through vendor management tools or asset records.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2018-12179 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Extensible Firmware Interface Development Kit (EDK II)Extensible Firmware Interface Development Kit (EDK II)N/AListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.