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CVE Record

CVE-2021-0126: Improper input validation for the Intel(R) Manageability Commander before version 2.2 may allow an authenti...

Improper input validation for the Intel(R) Manageability Commander before version 2.2 may allow an authenticated user to potentially enable escalation of privilege via adjacent access.

HighCVSS 8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-0126 affects Intel Manageability Commander versions before 2.2. An already authenticated user with adjacent access could abuse improper input validation to gain higher privileges. The CVSS score is high because successful exploitation could compromise confidentiality, integrity, and availability.

Executive priority

Prioritize remediation where Intel Manageability Commander is used for operational or administrative management. The issue requires authenticated adjacent access, so urgency is high for shared or weakly segmented environments, but lower for isolated, tightly controlled deployments.

Technical view

The issue is CWE-20 improper input validation in Intel Manageability Commander before version 2.2. The CVSS 3.1 vector is AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, meaning adjacent access and low privileges are required, with no user interaction.

Likely exposure

Exposure is most likely on systems or admin workstations running Intel Manageability Commander before 2.2, especially where low-privileged authenticated users can reach the same adjacent network segment.

Exploitation context

The provided bundle does not mark this CVE as KEV and does not cite active exploitation. Public evidence supports authenticated, adjacent-access privilege escalation risk, but not internet-wide exploitation or unauthenticated attack.

Researcher notes

The public record identifies only Intel Manageability Commander before 2.2. The main constraints are adjacent access and prior authentication. Do not assume other Intel AMT tooling is affected unless Intel or CVE sources explicitly state it.

Mitigation direction

  • Check Intel SA-00519 for vendor guidance and fixed release details.
  • Update Intel Manageability Commander to version 2.2 or later where applicable.
  • Restrict adjacent-network access to management tooling to trusted administrators.
  • Remove or isolate unused Intel Manageability Commander installations.

Validation and detection

  • Inventory systems for Intel Manageability Commander installations.
  • Confirm each installation is version 2.2 or later.
  • Review who has authenticated access to affected management workstations or network segments.
  • Document compensating controls where immediate update is not possible.
Prepared
Confidence
medium
Sources
3

Public sources used

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

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cwe · low confidence lookup

CWE-20: 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-2021-0126 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A: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
2Source 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
8CVSS 3.1HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.15.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8High
CVSS 3.1 vector shape for CVE-2021-0126Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aIntel(R) Manageability Commanderbefore version 2.2Listed
Weakness

CWE details

CWE-20

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

CWE-20 · source CWE mapping

Improper Input Validation

Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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