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CVE Record

CVE-2023-48267: Improper buffer restrictions in some Intel(R) System Security Report and System Resources Defense firmware...

Improper buffer restrictions in some Intel(R) System Security Report and System Resources Defense firmware may allow a privileged user to potentially enable escalation of privilege via local access.

HighCVSS 8.6Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a high-severity Intel firmware issue that could let someone who already has privileged local access gain more control. It is not described as a remote internet attack. Business urgency depends on whether affected firmware appears in your hardware fleet and how tightly local admin access is controlled.

Executive priority

Prioritize identification and vendor-guided firmware remediation on affected systems, especially high-value endpoints and servers. The issue is serious, but current evidence does not show broad remote exploitation or confirmed active exploitation.

Technical view

CVE-2023-48267 is a CWE-119 improper buffer restriction issue in Intel System Security Report and System Resources Defense firmware. The CVSS 4.0 score is 8.6. The vector indicates local access, low attack complexity, high privileges required, no user interaction, and high confidentiality and integrity impact.

Likely exposure

Exposure is likely limited to systems running affected Intel System Security Report and System Resources Defense firmware versions listed by Intel or OEM advisories. The provided bundle does not enumerate exact affected versions, so asset matching requires checking vendor references.

Exploitation context

The bundle says KEV is false, and no provided source states active exploitation. The described attacker requires local access and high privileges, so this should be treated as post-compromise or insider-risk escalation rather than remote unauthenticated exposure.

Researcher notes

The public bundle identifies the weakness class, privilege model, CVSS vector, and advisory URLs, but not exact affected versions or fixed builds. Avoid assumptions beyond Intel and OEM guidance. Validation should center on firmware inventory and advisory version matching.

Mitigation direction

  • Review Intel SA-01203 for affected firmware versions and vendor remediation.
  • Check Dell DSA-2025-002 if Dell systems are in scope.
  • Apply vendor-approved firmware updates where advisories identify affected assets.
  • Restrict local administrative access on systems that cannot be updated quickly.
  • Monitor vendor advisories for revised affected-version or remediation details.

Validation and detection

  • Inventory systems for the referenced Intel firmware component.
  • Compare firmware versions against Intel SA-01203 and applicable OEM advisories.
  • Confirm updated firmware versions after remediation.
  • Review privileged local account exposure on affected systems.
  • Document systems deferred from update and compensating controls.
Prepared
Confidence
medium
Sources
4

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.

cwe · low confidence lookup

CWE-119: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2023-48267 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
High
CVSS
8.6 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.6CVSS 4.0HighCVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:HPrimary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

8.6High
CVSS 4.0 vector shape for CVE-2023-48267Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aIntel(R) System Security Report and System Resources Defense firmwareSee referencesunaffected
Weakness

CWE details

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

CWE-119 · source CWE mapping

Improper Restriction of Operations within the Bounds of a Memory Buffer

Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.