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CVE Record

CVE-2024-54085: Redfish Authentication Bypass

AMI’s SPx contains a vulnerability in the BMC where an Attacker may bypass authentication remotely through the Redfish Host Interface. A successful exploitation of this vulnerability may lead to a loss of confidentiality, integrity, and/or availability.

CriticalCVSS 10Known exploitedUpdated
Glexia's TakeHuman reviewedcritical

Security readout for executives and security teams

Plain-English summary

CVE-2024-54085 is a critical authentication bypass in AMI MegaRAC-SPx BMC software. A remote unauthenticated attacker may bypass Redfish Host Interface authentication. Because BMCs manage server hardware, successful compromise can affect confidentiality, integrity, and availability. CISA KEV and cited reporting support active exploitation.

Executive priority

Treat as an emergency infrastructure risk. A compromised BMC can undermine server trust and availability below the operating system. Prioritize exposed management interfaces and critical production systems first.

Technical view

The vulnerability is CWE-290 in AMI MegaRAC-SPx versions 12.0 and 13.0. It affects the BMC Redfish Host Interface and has CVSS 4.0 score 10.0: network exploitable, low complexity, no privileges, no user interaction, and high impact to vulnerable and subsequent systems.

Likely exposure

Exposure is most likely in servers or appliances using AMI MegaRAC-SPx 12.0 or 13.0 BMC firmware, especially where BMC or Redfish interfaces are reachable from broad networks. Downstream OEM impact must be confirmed through vendor advisories.

Exploitation context

Active exploitation is supported by CISA KEV and cited public reporting. The bundle does not provide exploit mechanics, attacker identity, or confirmed victim details. Treat internet-reachable or weakly segmented BMC management planes as urgent exposure.

Researcher notes

Evidence identifies AMI MegaRAC-SPx 12.0 and 13.0, Redfish Host Interface authentication bypass, CWE-290, CVSS 10.0, and KEV-listed exploitation. Patch specifics and full downstream OEM product mapping are not included in the bundle, so verify against vendor advisories.

Mitigation direction

  • Check AMI and OEM advisories for corrected BMC firmware or supported mitigations.
  • Prioritize remediation for externally reachable or broadly accessible BMC management interfaces.
  • Restrict BMC and Redfish access to dedicated management networks and trusted administrators.
  • Review downstream vendor advisories before assuming a product is unaffected.
  • Increase monitoring for BMC login anomalies, configuration changes, firmware events, and power actions.

Validation and detection

  • Inventory systems using AMI MegaRAC-SPx BMC firmware versions 12.0 or 13.0.
  • Confirm whether Redfish Host Interface is enabled and reachable from untrusted networks.
  • Map affected servers to OEM security advisories and available firmware updates.
  • Review CISA KEV status and internal remediation deadlines for this CVE.
  • Check BMC logs for unexpected authentication, configuration, firmware, or server control events.
Prepared
Reviewed
Confidence
high
Sources
8

Michael Williams reviewed this cited source version on .

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-290: 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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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2024-54085 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
Critical
CVSS
10 (4.0)
Known Exploited
Yes
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
9Source links

CISA KEV status

Status
Known exploited
Source
CISA / ADP
Date added
Not provided

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
10CVSS 4.0CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HPrimary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

10Critical
CVSS 4.0 vector shape for CVE-2024-54085Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
AMIMegaRAC-SPx12.0, 13.0unaffected
Weakness

CWE details

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

CWE-290 · source CWE mapping

Authentication Bypass by Spoofing

Authentication Bypass by Spoofing represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.